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Sky-Watcher Explorer PDS 250mm Newtonian
Filters
Showing all 57 active targets
Tonight · Sep 20 / 21
#ObjectGradeProposalRADecMagCadenceFilters
1
1ES 2344+514
Best
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I
2
V 425 Cas
Best
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I
3
3C 454.3
Best
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I
4
EV Lac
Best
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V
5
CTA 102
Best
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I
6
TIC 298886374
Good
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I
7
BL Lac
Good
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I
8
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I
9
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I
10
AO 0235+16
Good
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I
11
GSC 03308-00462
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, I
12
CzeV616
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, I
September 2026
BestGood
ObjectGradeProposalRADecMagCadenceFilters
TIC 298886374
Best
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I
V 425 Cas
Best
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I
1ES 2344+514
Best
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I
3C 454.3
Best
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I
EV Lac
Best
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V
CTA 102
Best
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I
BL Lac
Best
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I
CzeV616
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, I
V 751 Cyg
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:52:12.78+44:19:26.113.8 - 16.3 pEvery 3 dU, B, V, R, I
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I
AO 0235+16
Good
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I
GSC 03308-00462
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, I
V 794 Aql
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I
MV Lyr
Good
Cataclysmic Stars · Monitoring · Normal
RA 19:07:16.29+44:01:07.912.2 - 18 BEvery 3 dU, B, V, R, I
PKS 0420-01
Good
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I
Annual Calendar
January
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
π1 UMa
Best
Solar Like Stars · Monitoring · Urgent
RA 08:39:11.70+65:01:15.275.63Every 2 dU, B, V-
Spectral type: G1.5Vb; Variable type: BY Draconis; Teff: 5884 K; Source: https://en.wikipedia.org/wiki/Pi1_Ur…
χ Orionis
Best
Solar Like Stars · Monitoring · Urgent
RA 05:54:22.96+20:16:34.524.38Every 2 dU, B, V-
Spectral type: G0 V; Variable type: RS CVn; Teff: 5883 K; Source: https://en.wikipedia.org/wiki/Chi1_Orionis
4C 71.07
Best
Blazars · Monitoring · Normal
RA 08:41:24.3+70:53:4216.4 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0836+710 | z = 2.172
PKS 0735+17
Best
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
OJ 49
Best
Blazars · Monitoring · Normal
RA 08:31:48.9+04:29:3913.7 - 17.3 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0829+046 | z = 0.173683
MWC 560
Best
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
OJ 287
Best
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
S5 0716+71
Best
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
NGC2276
Best
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
OJ 248
Best
Blazars · Monitoring · Normal
RA 08:30:52.1+24:11:0015.7 - 17.5 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0827+243 | z = 0.939
BZ Cam
Best
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
KR Aur
Best
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
S4 0954+65
Best
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
LN UMa
Best
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
PKS 0528+134
Best
Blazars · Monitoring · Normal
RA 05:30:56.4+13:31:55-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0528+134 | z = 2.06
AD Leo
Best
Flare Stars · Monitoring · Normal
RA 10:19:36.28+19:52:12.08.07 - 11 BEvery 2 dB, V-
Mkn 421
Good
Blazars · Monitoring · Normal
RA 11:04:27.3+38:12:3212.0 - 13.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1101+384 | z = 0.030021
PKS 0420-01
Good
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
4C 29.45
Good
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
ON 231
Good
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
3C 273
Good
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339
3C 279
Good
Blazars · Monitoring · Normal
RA 12:56:11.1-05:47:2213.0 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1253-055 | z = 0.5362
AO 0235+16
Good
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0235+164 | z = 0.94
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
February
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
π1 UMa
Best
Solar Like Stars · Monitoring · Urgent
RA 08:39:11.70+65:01:15.275.63Every 2 dU, B, V-
Spectral type: G1.5Vb; Variable type: BY Draconis; Teff: 5884 K; Source: https://en.wikipedia.org/wiki/Pi1_Ur…
LN UMa
Best
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
AD Leo
Best
Flare Stars · Monitoring · Normal
RA 10:19:36.28+19:52:12.08.07 - 11 BEvery 2 dB, V-
S4 0954+65
Best
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
OJ 287
Best
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
Mkn 421
Best
Blazars · Monitoring · Normal
RA 11:04:27.3+38:12:3212.0 - 13.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1101+384 | z = 0.030021
4C 71.07
Best
Blazars · Monitoring · Normal
RA 08:41:24.3+70:53:4216.4 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0836+710 | z = 2.172
OJ 49
Best
Blazars · Monitoring · Normal
RA 08:31:48.9+04:29:3913.7 - 17.3 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0829+046 | z = 0.173683
OJ 248
Best
Blazars · Monitoring · Normal
RA 08:30:52.1+24:11:0015.7 - 17.5 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0827+243 | z = 0.939
4C 29.45
Best
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
PKS 0735+17
Best
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
χ Orionis
Good
Solar Like Stars · Monitoring · Urgent
RA 05:54:22.96+20:16:34.524.38Every 2 dU, B, V-
Spectral type: G0 V; Variable type: RS CVn; Teff: 5883 K; Source: https://en.wikipedia.org/wiki/Chi1_Orionis
EK Draconis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:39:00.21+64:17:29.987.53Every 2 dU, B, V-
Spectral type: G5V Fe-0.7 CH-1 (k); Variable type: BY Dra; Teff: 5682 K; Source: https://en.wikipedia.org/wik…
ξ Bootis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:51:23.38+19:06:01.704.67Every 2 dU, B, V-
Spectral type: G8 Ve + K4 Ve; Variable type: BY Dra; Teff: 4350 K; Source: https://en.wikipedia.org/wiki/Xi_B…
NGC2276
Good
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
ON 231
Good
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
MWC 560
Good
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
S5 0716+71
Good
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
3C 273
Good
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339
3C 279
Good
Blazars · Monitoring · Normal
RA 12:56:11.1-05:47:2213.0 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1253-055 | z = 0.5362
BZ Cam
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
KR Aur
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
PKS 0528+134
Good
Blazars · Monitoring · Normal
RA 05:30:56.4+13:31:55-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0528+134 | z = 2.06
PKS 1510-08
Good
Blazars · Monitoring · Normal
RA 15:12:50.5-09:06:0014.8 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1510-089 | z = 0.36
PKS 0420-01
Good
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
LX Ser
Good
Cataclysmic Stars · Monitoring · Normal
RA 15:38:00.09+18:52:03.213.5 - 17.6Every 3 dU, B, V, R, I-
March
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
ON 231
Best
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
4C 29.45
Best
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
Mkn 421
Best
Blazars · Monitoring · Normal
RA 11:04:27.3+38:12:3212.0 - 13.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1101+384 | z = 0.030021
3C 273
Best
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339
3C 279
Best
Blazars · Monitoring · Normal
RA 12:56:11.1-05:47:2213.0 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1253-055 | z = 0.5362
AD Leo
Best
Flare Stars · Monitoring · Normal
RA 10:19:36.28+19:52:12.08.07 - 11 BEvery 2 dB, V-
LN UMa
Best
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
S4 0954+65
Best
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
EK Draconis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:39:00.21+64:17:29.987.53Every 2 dU, B, V-
Spectral type: G5V Fe-0.7 CH-1 (k); Variable type: BY Dra; Teff: 5682 K; Source: https://en.wikipedia.org/wik…
ξ Bootis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:51:23.38+19:06:01.704.67Every 2 dU, B, V-
Spectral type: G8 Ve + K4 Ve; Variable type: BY Dra; Teff: 4350 K; Source: https://en.wikipedia.org/wiki/Xi_B…
π1 UMa
Good
Solar Like Stars · Monitoring · Urgent
RA 08:39:11.70+65:01:15.275.63Every 2 dU, B, V-
Spectral type: G1.5Vb; Variable type: BY Draconis; Teff: 5884 K; Source: https://en.wikipedia.org/wiki/Pi1_Ur…
OJ 287
Good
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
4C 71.07
Good
Blazars · Monitoring · Normal
RA 08:41:24.3+70:53:4216.4 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0836+710 | z = 2.172
PKS 1510-08
Good
Blazars · Monitoring · Normal
RA 15:12:50.5-09:06:0014.8 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1510-089 | z = 0.36
OJ 49
Good
Blazars · Monitoring · Normal
RA 08:31:48.9+04:29:3913.7 - 17.3 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0829+046 | z = 0.173683
OJ 248
Good
Blazars · Monitoring · Normal
RA 08:30:52.1+24:11:0015.7 - 17.5 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0827+243 | z = 0.939
LX Ser
Good
Cataclysmic Stars · Monitoring · Normal
RA 15:38:00.09+18:52:03.213.5 - 17.6Every 3 dU, B, V, R, I-
PG 1553+113
Good
Blazars · Monitoring · Normal
RA 15:55:43.0+11:11:2413.4 - 14.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1553+113 | z = 0.36
T CrB
Good
Cataclysmic Stars · Monitoring · Normal
RA 15:59:30.16+25:55:12.62.0 - 10.8Every 1 dU, B, V, R, I-
PKS 0735+17
Good
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
DA 406
Good
Blazars · Monitoring · Normal
RA 16:13:41.0+34:12:4816.9 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1611+343 | z = 1.401
NGC2276
Good
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
MWC 560
Good
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
S5 0716+71
Good
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
4C 38.41
Good
Blazars · Monitoring · Normal
RA 16:35:15.5+38:08:0415.0 - 17.8 REvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1633+382 | z = 1.81357
3C 345
Good
Blazars · Monitoring · Normal
RA 16:42:58.8+39:48:3714.7 - 18.6 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1641+399 | z = 0.5928
Mkn 501
Good
Blazars · Monitoring · Normal
RA 16:53:52.2+39:45:3713.2 - 14.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1652+398 | z = 0.033663
BZ Cam
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
KR Aur
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
April
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
EK Draconis
Best
Solar Like Stars · Monitoring · Urgent
RA 14:39:00.21+64:17:29.987.53Every 2 dU, B, V-
Spectral type: G5V Fe-0.7 CH-1 (k); Variable type: BY Dra; Teff: 5682 K; Source: https://en.wikipedia.org/wik…
ξ Bootis
Best
Solar Like Stars · Monitoring · Urgent
RA 14:51:23.38+19:06:01.704.67Every 2 dU, B, V-
Spectral type: G8 Ve + K4 Ve; Variable type: BY Dra; Teff: 4350 K; Source: https://en.wikipedia.org/wiki/Xi_B…
3C 279
Best
Blazars · Monitoring · Normal
RA 12:56:11.1-05:47:2213.0 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1253-055 | z = 0.5362
3C 273
Best
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339
ON 231
Best
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
PKS 1510-08
Best
Blazars · Monitoring · Normal
RA 15:12:50.5-09:06:0014.8 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1510-089 | z = 0.36
4C 29.45
Best
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
LX Ser
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:38:00.09+18:52:03.213.5 - 17.6Every 3 dU, B, V, R, I-
PG 1553+113
Best
Blazars · Monitoring · Normal
RA 15:55:43.0+11:11:2413.4 - 14.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1553+113 | z = 0.36
T CrB
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:59:30.16+25:55:12.62.0 - 10.8Every 1 dU, B, V, R, I-
Mkn 421
Good
Blazars · Monitoring · Normal
RA 11:04:27.3+38:12:3212.0 - 13.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1101+384 | z = 0.030021
DA 406
Good
Blazars · Monitoring · Normal
RA 16:13:41.0+34:12:4816.9 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1611+343 | z = 1.401
4C 38.41
Good
Blazars · Monitoring · Normal
RA 16:35:15.5+38:08:0415.0 - 17.8 REvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1633+382 | z = 1.81357
3C 345
Good
Blazars · Monitoring · Normal
RA 16:42:58.8+39:48:3714.7 - 18.6 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1641+399 | z = 0.5928
Mkn 501
Good
Blazars · Monitoring · Normal
RA 16:53:52.2+39:45:3713.2 - 14.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1652+398 | z = 0.033663
AD Leo
Good
Flare Stars · Monitoring · Normal
RA 10:19:36.28+19:52:12.08.07 - 11 BEvery 2 dB, V-
LN UMa
Good
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
S4 0954+65
Good
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
4C 51.37
Good
Blazars · Monitoring · Normal
RA 17:40:37.0+52:11:43-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1739+522 | z = 1.375
OJ 287
Good
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
May
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
ξ Bootis
Best
Solar Like Stars · Monitoring · Urgent
RA 14:51:23.38+19:06:01.704.67Every 2 dU, B, V-
Spectral type: G8 Ve + K4 Ve; Variable type: BY Dra; Teff: 4350 K; Source: https://en.wikipedia.org/wiki/Xi_B…
EK Draconis
Best
Solar Like Stars · Monitoring · Urgent
RA 14:39:00.21+64:17:29.987.53Every 2 dU, B, V-
Spectral type: G5V Fe-0.7 CH-1 (k); Variable type: BY Dra; Teff: 5682 K; Source: https://en.wikipedia.org/wik…
LX Ser
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:38:00.09+18:52:03.213.5 - 17.6Every 3 dU, B, V, R, I-
4C 38.41
Best
Blazars · Monitoring · Normal
RA 16:35:15.5+38:08:0415.0 - 17.8 REvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1633+382 | z = 1.81357
DA 406
Best
Blazars · Monitoring · Normal
RA 16:13:41.0+34:12:4816.9 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1611+343 | z = 1.401
T CrB
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:59:30.16+25:55:12.62.0 - 10.8Every 1 dU, B, V, R, I-
PKS 1510-08
Best
Blazars · Monitoring · Normal
RA 15:12:50.5-09:06:0014.8 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1510-089 | z = 0.36
PG 1553+113
Best
Blazars · Monitoring · Normal
RA 15:55:43.0+11:11:2413.4 - 14.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1553+113 | z = 0.36
3C 345
Best
Blazars · Monitoring · Normal
RA 16:42:58.8+39:48:3714.7 - 18.6 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1641+399 | z = 0.5928
Mkn 501
Best
Blazars · Monitoring · Normal
RA 16:53:52.2+39:45:3713.2 - 14.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1652+398 | z = 0.033663
4C 51.37
Best
Blazars · Monitoring · Normal
RA 17:40:37.0+52:11:43-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1739+522 | z = 1.375
RS Oph
Best
Cataclysmic Stars · Monitoring · Normal
RA 17:50:13.16-06:42:28.54.3 - 12.5Every 1 dU, B, V, R, I-
70 Ophiuchi
Good
Solar Like Stars · Monitoring · Urgent
RA 18:05:27.46+02:29:56.216.07Every 7 dU, B, V-
Spectral type: K0V + K4V; Variable type: BY Dra or RS CVn; Teff: 4623 K; Source: https://en.wikipedia.org/wik…
V889 Herculis
Good
Solar Like Stars · Monitoring · Urgent
RA 18:34:20.10+18:41:24.207.40Every 2 dU, B, V-
Spectral type: G2V; Variable type: BY Dra; Teff: 5660 K
3C 371
Good
Blazars · Monitoring · Normal
RA 18:06:50.7+69:49:2813.7 - 15.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1807+698 | z = 0.051
3C 279
Good
Blazars · Monitoring · Normal
RA 12:56:11.1-05:47:2213.0 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1253-055 | z = 0.5362
AM Her
Good
Polars · Monitoring · Normal
RA 18:16:13.25+49:52:04.812.3 - 15.7Every 3 dU, B, V, R, I-
3C 273
Good
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339
ON 231
Good
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
4C 29.45
Good
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
June
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
70 Ophiuchi
Best
Solar Like Stars · Monitoring · Urgent
RA 18:05:27.46+02:29:56.216.07Every 7 dU, B, V-
Spectral type: K0V + K4V; Variable type: BY Dra or RS CVn; Teff: 4623 K; Source: https://en.wikipedia.org/wik…
V889 Herculis
Best
Solar Like Stars · Monitoring · Urgent
RA 18:34:20.10+18:41:24.207.40Every 2 dU, B, V-
Spectral type: G2V; Variable type: BY Dra; Teff: 5660 K
3C 345
Best
Blazars · Monitoring · Normal
RA 16:42:58.8+39:48:3714.7 - 18.6 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1641+399 | z = 0.5928
3C 371
Best
Blazars · Monitoring · Normal
RA 18:06:50.7+69:49:2813.7 - 15.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1807+698 | z = 0.051
RS Oph
Best
Cataclysmic Stars · Monitoring · Normal
RA 17:50:13.16-06:42:28.54.3 - 12.5Every 1 dU, B, V, R, I-
4C 51.37
Best
Blazars · Monitoring · Normal
RA 17:40:37.0+52:11:43-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1739+522 | z = 1.375
AM Her
Best
Polars · Monitoring · Normal
RA 18:16:13.25+49:52:04.812.3 - 15.7Every 3 dU, B, V, R, I-
Mkn 501
Best
Blazars · Monitoring · Normal
RA 16:53:52.2+39:45:3713.2 - 14.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1652+398 | z = 0.033663
4C 38.41
Best
Blazars · Monitoring · Normal
RA 16:35:15.5+38:08:0415.0 - 17.8 REvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1633+382 | z = 1.81357
DA 406
Best
Blazars · Monitoring · Normal
RA 16:13:41.0+34:12:4816.9 - 18.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1611+343 | z = 1.401
MV Lyr
Best
Cataclysmic Stars · Monitoring · Normal
RA 19:07:16.29+44:01:07.912.2 - 18 BEvery 3 dU, B, V, R, I-
T CrB
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:59:30.16+25:55:12.62.0 - 10.8Every 1 dU, B, V, R, I-
PG 1553+113
Best
Blazars · Monitoring · Normal
RA 15:55:43.0+11:11:2413.4 - 14.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1553+113 | z = 0.36
LX Ser
Best
Cataclysmic Stars · Monitoring · Normal
RA 15:38:00.09+18:52:03.213.5 - 17.6Every 3 dU, B, V, R, I-
PKS 1510-08
Best
Blazars · Monitoring · Normal
RA 15:12:50.5-09:06:0014.8 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1510-089 | z = 0.36
ξ Bootis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:51:23.38+19:06:01.704.67Every 2 dU, B, V-
Spectral type: G8 Ve + K4 Ve; Variable type: BY Dra; Teff: 4350 K; Source: https://en.wikipedia.org/wiki/Xi_B…
EK Draconis
Good
Solar Like Stars · Monitoring · Urgent
RA 14:39:00.21+64:17:29.987.53Every 2 dU, B, V-
Spectral type: G5V Fe-0.7 CH-1 (k); Variable type: BY Dra; Teff: 5682 K; Source: https://en.wikipedia.org/wik…
V 794 Aql
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I-
July
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
V889 Herculis
Best
Solar Like Stars · Monitoring · Urgent
RA 18:34:20.10+18:41:24.207.40Every 2 dU, B, V-
Spectral type: G2V; Variable type: BY Dra; Teff: 5660 K
70 Ophiuchi
Best
Solar Like Stars · Monitoring · Urgent
RA 18:05:27.46+02:29:56.216.07Every 7 dU, B, V-
Spectral type: K0V + K4V; Variable type: BY Dra or RS CVn; Teff: 4623 K; Source: https://en.wikipedia.org/wik…
TIC 298886374
Best
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I-
Star Name(s): TIC 298886374, 2MASS J21545931+2640566, APASS 47104288, Gaia DR2 1796892927988167424, Gaia DR3…
V 794 Aql
Best
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I-
MV Lyr
Best
Cataclysmic Stars · Monitoring · Normal
RA 19:07:16.29+44:01:07.912.2 - 18 BEvery 3 dU, B, V, R, I-
V 751 Cyg
Best
Cataclysmic Stars · Monitoring · Normal
RA 20:52:12.78+44:19:26.113.8 - 16.3 pEvery 3 dU, B, V, R, I-
CzeV616
Best
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
AM Her
Best
Polars · Monitoring · Normal
RA 18:16:13.25+49:52:04.812.3 - 15.7Every 3 dU, B, V, R, I-
3C 371
Best
Blazars · Monitoring · Normal
RA 18:06:50.7+69:49:2813.7 - 15.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1807+698 | z = 0.051
RS Oph
Best
Cataclysmic Stars · Monitoring · Normal
RA 17:50:13.16-06:42:28.54.3 - 12.5Every 1 dU, B, V, R, I-
4C 51.37
Best
Blazars · Monitoring · Normal
RA 17:40:37.0+52:11:43-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1739+522 | z = 1.375
BL Lac
Best
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I-
CTA 102
Good
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2230+114 | z = 1.037
Mkn 501
Good
Blazars · Monitoring · Normal
RA 16:53:52.2+39:45:3713.2 - 14.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1652+398 | z = 0.033663
3C 345
Good
Blazars · Monitoring · Normal
RA 16:42:58.8+39:48:3714.7 - 18.6 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1641+399 | z = 0.5928
EV Lac
Good
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V-
3C 454.3
Good
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
V 425 Cas
Good
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
August
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
TIC 298886374
Best
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I-
Star Name(s): TIC 298886374, 2MASS J21545931+2640566, APASS 47104288, Gaia DR2 1796892927988167424, Gaia DR3…
CzeV616
Best
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
V 751 Cyg
Best
Cataclysmic Stars · Monitoring · Normal
RA 20:52:12.78+44:19:26.113.8 - 16.3 pEvery 3 dU, B, V, R, I-
BL Lac
Best
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I-
CTA 102
Best
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2230+114 | z = 1.037
EV Lac
Best
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V-
3C 454.3
Best
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
V 425 Cas
Best
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
V 794 Aql
Best
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I-
1ES 2344+514
Best
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2344+514 | z = 0.044
V889 Herculis
Good
Solar Like Stars · Monitoring · Urgent
RA 18:34:20.10+18:41:24.207.40Every 2 dU, B, V-
Spectral type: G2V; Variable type: BY Dra; Teff: 5660 K
70 Ophiuchi
Good
Solar Like Stars · Monitoring · Urgent
RA 18:05:27.46+02:29:56.216.07Every 7 dU, B, V-
Spectral type: K0V + K4V; Variable type: BY Dra or RS CVn; Teff: 4623 K; Source: https://en.wikipedia.org/wik…
MV Lyr
Good
Cataclysmic Stars · Monitoring · Normal
RA 19:07:16.29+44:01:07.912.2 - 18 BEvery 3 dU, B, V, R, I-
AM Her
Good
Polars · Monitoring · Normal
RA 18:16:13.25+49:52:04.812.3 - 15.7Every 3 dU, B, V, R, I-
3C 371
Good
Blazars · Monitoring · Normal
RA 18:06:50.7+69:49:2813.7 - 15.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1807+698 | z = 0.051
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
September
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
TIC 298886374
Best
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I-
Star Name(s): TIC 298886374, 2MASS J21545931+2640566, APASS 47104288, Gaia DR2 1796892927988167424, Gaia DR3…
V 425 Cas
Best
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
1ES 2344+514
Best
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2344+514 | z = 0.044
3C 454.3
Best
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
EV Lac
Best
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V-
CTA 102
Best
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2230+114 | z = 1.037
BL Lac
Best
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I-
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
CzeV616
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
V 751 Cyg
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:52:12.78+44:19:26.113.8 - 16.3 pEvery 3 dU, B, V, R, I-
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
AO 0235+16
Good
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0235+164 | z = 0.94
GSC 03308-00462
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
V 794 Aql
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I-
MV Lyr
Good
Cataclysmic Stars · Monitoring · Normal
RA 19:07:16.29+44:01:07.912.2 - 18 BEvery 3 dU, B, V, R, I-
PKS 0420-01
Good
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
October
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
TT Ari
Best
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
3C 66A
Best
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
AO 0235+16
Best
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0235+164 | z = 0.94
GSC 03308-00462
Best
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
1ES 2344+514
Best
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2344+514 | z = 0.044
V 425 Cas
Best
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
TIC 298886374
Good
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I-
Star Name(s): TIC 298886374, 2MASS J21545931+2640566, APASS 47104288, Gaia DR2 1796892927988167424, Gaia DR3…
χ Orionis
Good
Solar Like Stars · Monitoring · Urgent
RA 05:54:22.96+20:16:34.524.38Every 2 dU, B, V-
Spectral type: G0 V; Variable type: RS CVn; Teff: 5883 K; Source: https://en.wikipedia.org/wiki/Chi1_Orionis
3C 454.3
Good
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
EV Lac
Good
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V-
PKS 0420-01
Good
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
CTA 102
Good
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2230+114 | z = 1.037
BL Lac
Good
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I-
PKS 0528+134
Good
Blazars · Monitoring · Normal
RA 05:30:56.4+13:31:55-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0528+134 | z = 2.06
CzeV616
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 20:52:30.90+38:16:27.0810.92Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
V 751 Cyg
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:52:12.78+44:19:26.113.8 - 16.3 pEvery 3 dU, B, V, R, I-
KR Aur
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
BZ Cam
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
V 794 Aql
Good
Cataclysmic Stars · Monitoring · Normal
RA 20:17:33.92-03:39:51.013.4 - 18.6 VEvery 2 dU, B, V, R, I-
ATO J103.0204-08.2002
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 06:52:04.90-08:12:01.0112.41Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
S5 0716+71
Good
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
MWC 560
Good
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
NGC2276
Good
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
PKS 0735+17
Good
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
November
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
χ Orionis
Best
Solar Like Stars · Monitoring · Urgent
RA 05:54:22.96+20:16:34.524.38Every 2 dU, B, V-
Spectral type: G0 V; Variable type: RS CVn; Teff: 5883 K; Source: https://en.wikipedia.org/wiki/Chi1_Orionis
PKS 0420-01
Best
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
GSC 03308-00462
Best
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
AO 0235+16
Best
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0235+164 | z = 0.94
3C 66A
Best
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
TT Ari
Best
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
PKS 0528+134
Best
Blazars · Monitoring · Normal
RA 05:30:56.4+13:31:55-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0528+134 | z = 2.06
π1 UMa
Good
Solar Like Stars · Monitoring · Urgent
RA 08:39:11.70+65:01:15.275.63Every 2 dU, B, V-
Spectral type: G1.5Vb; Variable type: BY Draconis; Teff: 5884 K; Source: https://en.wikipedia.org/wiki/Pi1_Ur…
TIC 298886374
Good
TIC 298886374 - Solar type close eclipsing binary · Monitoring · Urgent
RA 21:54:59.31+26:40:56.614.4 VEvery 7 dB, V, R, I-
Star Name(s): TIC 298886374, 2MASS J21545931+2640566, APASS 47104288, Gaia DR2 1796892927988167424, Gaia DR3…
KR Aur
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
BZ Cam
Good
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
ATO J103.0204-08.2002
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 06:52:04.90-08:12:01.0112.41Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
1ES 2344+514
Good
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2344+514 | z = 0.044
S5 0716+71
Good
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
MWC 560
Good
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
NGC2276
Good
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
PKS 0735+17
Good
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
V 425 Cas
Good
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
3C 454.3
Good
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
EV Lac
Good
Flare Stars · Monitoring · Normal
RA 22:46:49.73+44:20:02.48.28 - 11.83 BEvery 2 dB, V-
CTA 102
Good
Blazars · Monitoring · Normal
RA 22:32:36.4+11:43:5111.2 - 17.5 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2230+114 | z = 1.037
OJ 248
Good
Blazars · Monitoring · Normal
RA 08:30:52.1+24:11:0015.7 - 17.5 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0827+243 | z = 0.939
OJ 49
Good
Blazars · Monitoring · Normal
RA 08:31:48.9+04:29:3913.7 - 17.3 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0829+046 | z = 0.173683
4C 71.07
Good
Blazars · Monitoring · Normal
RA 08:41:24.3+70:53:4216.4 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0836+710 | z = 2.172
BL Lac
Good
Blazars · Monitoring · Normal
RA 22:02:43.29+42:16:40.011.9 - 16.3Every 3 dB, V, R, I-
OJ 287
Good
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
AA LMi
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 09:47:53.00+33:17:02.1811.40Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
S4 0954+65
Good
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
LN UMa
Good
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
December
ObjectGradeProposalRADecMagCadenceFiltersWindowNotes
χ Orionis
Best
Solar Like Stars · Monitoring · Urgent
RA 05:54:22.96+20:16:34.524.38Every 2 dU, B, V-
Spectral type: G0 V; Variable type: RS CVn; Teff: 5883 K; Source: https://en.wikipedia.org/wiki/Chi1_Orionis
BZ Cam
Best
Cataclysmic Stars · Monitoring · Normal
RA 06:29:33.96+71:04:36.411.4 - 14.3 VEvery 3 dU, B, V, R, I-
PKS 0528+134
Best
Blazars · Monitoring · Normal
RA 05:30:56.4+13:31:55-Every 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0528+134 | z = 2.06
KR Aur
Best
Cataclysmic Stars · Monitoring · Normal
RA 06:15:43.92+28:35:08.612.7 - 19.5: VEvery 3 dU, B, V, R, I-
ATO J103.0204-08.2002
Best
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 06:52:04.90-08:12:01.0112.41Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
PKS 0420-01
Best
Blazars · Monitoring · Normal
RA 04:23:15.8-01:20:3315.5 - 20.0 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0420-014 | z = 0.914
S5 0716+71
Best
Blazars · Monitoring · Normal
RA 07:21:53.4+71:20:3611.9 CV - 16.0: VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0716+714 | z = 0.3
MWC 560
Best
Cataclysmic Stars · Monitoring · Normal
RA 07:25:51.28-07:44:08.18.2 - 12.7 VEvery 7 dU, B, V, R, I-
NGC2276
Best
Peculiar morphology galaxies · Education · Normal
RA 07:27:13.9755+85:45:15.87712.3 B-U, B, V, R, I-
U - 40min B - 50min V - 40min R - 50 min I - 40 min
PKS 0735+17
Best
Blazars · Monitoring · Normal
RA 07:38:07.4+17:42:1914.5 - 17.2 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0735+178 | z = 0.424
π1 UMa
Good
Solar Like Stars · Monitoring · Urgent
RA 08:39:11.70+65:01:15.275.63Every 2 dU, B, V-
Spectral type: G1.5Vb; Variable type: BY Draconis; Teff: 5884 K; Source: https://en.wikipedia.org/wiki/Pi1_Ur…
GSC 03308-00462
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 02:47:17.47+50:45:06.8012.13Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
OJ 248
Good
Blazars · Monitoring · Normal
RA 08:30:52.1+24:11:0015.7 - 17.5 CVEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0827+243 | z = 0.939
OJ 49
Good
Blazars · Monitoring · Normal
RA 08:31:48.9+04:29:3913.7 - 17.3 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0829+046 | z = 0.173683
AO 0235+16
Good
Blazars · Monitoring · Normal
RA 02:38:38.9+16:36:5914.3 - 20.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0235+164 | z = 0.94
4C 71.07
Good
Blazars · Monitoring · Normal
RA 08:41:24.3+70:53:4216.4 - 17.4 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0836+710 | z = 2.172
3C 66A
Good
Blazars · Monitoring · Normal
RA 02:22:39.6+43:02:0813.7 - 15.7 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0219+428 | z = 0.444
OJ 287
Good
Blazars · Monitoring · Normal
RA 08:54:48.9+20:06:3112.1 - 17.0 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0851+202 | z = 0.306
TT Ari
Good
Cataclysmic Stars · Monitoring · Normal
RA 02:06:53.08+15:17:41.910.2 - 16.5 VEvery 3 dU, B, V, R, I-
AA LMi
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 09:47:53.00+33:17:02.1811.40Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
S4 0954+65
Good
Blazars · Monitoring · Normal
RA 09:58:47.2+65:33:5512.7 - 17.1 RcEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 0954+658 | z = 0.368
LN UMa
Good
Cataclysmic Stars · Monitoring · Normal
RA 10:04:34.73+66:29:15.014.6 - 18Every 2 dU, B, V, R, I-
AD Leo
Good
Flare Stars · Monitoring · Normal
RA 10:19:36.28+19:52:12.08.07 - 11 BEvery 2 dB, V-
Mkn 421
Good
Blazars · Monitoring · Normal
RA 11:04:27.3+38:12:3212.0 - 13.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1101+384 | z = 0.030021
MP UMa
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 11:20:37.67+39:21:00.6111.67Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
1ES 2344+514
Good
Blazars · Monitoring · Normal
RA 23:47:04.8+51:42:1814.4 - 15.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2344+514 | z = 0.044
4C 29.45
Good
Blazars · Monitoring · Normal
RA 11:59:31.8+29:14:4413.5 - 19.1 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1156+295 | z = 0.729
V 425 Cas
Good
Cataclysmic Stars · Monitoring · Normal
RA 23:03:46.66+53:17:14.914.4 - 18.5 VEvery 3 dU, B, V, R, I-
ON 231
Good
Blazars · Monitoring · Normal
RA 12:21:31.7+28:13:5911.5 - 17.5 BEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1219+285 | z = 0.102
3C 454.3
Good
Blazars · Monitoring · Normal
RA 22:53:57.7+16:08:5412.5 - 16.9 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 2251+158 | z = 0.859
MW Cam
Good
AAVSO Campaign 938: Finding Phase-Step delta Scuti Variables with Ground-based Observations · Monitoring · Normal
RA 12:26:43.74+81:28:26.299.25Every 7 dB, V, R, IJul 14, 2026 - Apr 30, 2027
AAVSO campaign 938 photometry notes: Cadence Continuous; Precision 50 mmag.
3C 273
Good
Blazars · Monitoring · Normal
RA 12:29:06.7+02:03:0912.20 - 13.57 VEvery 3 dB, V, R, I-
GASP/WEBT monitoring list | IAU 1226+023 | z = 0.158339