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Field photometry for QSO B1215+303 from the AAVSO Variable Star Database

Data includes all comparison stars within 0.125° of RA: 12:17:52.08 [184.467°] & Dec: 30:07:00.7 [30.11686111°]

Report this sequence as X36049BEA in the chart field of your observation report.

AUID RA Dec Label V B-V Comments
000-BNM-899 12:17:20.85 [184.33686829°] 30:07:30.4 [30.12511063°] 137 13.737 (0.073)29 0.796 (0.201)
000-BNM-900 12:18:08.88 [184.53700256°] 30:00:24.7 [30.00686073°] 141 14.145 (0.081)29 0.788 (0.271)
000-BNM-902 12:17:44.42 [184.43508911°] 30:09:43.6 [30.16211128°] 150 14.989 (0.080)29 0.666 (0.283)
000-BNM-903 12:17:37.87 [184.40779114°] 30:12:57.1 [30.21586037°] 153 15.274 (0.111)29 0.883 (0.208)
000-BNM-904 12:18:21.17 [184.58821106°] 30:04:32.3 [30.07563972°] 155 15.530 (0.089)29 0.985 (0.302)
000-BNM-905 12:17:44.94 [184.43725586°] 30:04:48.2 [30.08005524°] 158 15.814 (0.091)29 0.806 (0.160)
000-BNM-908 12:17:49.14 [184.45474243°] 30:07:01.8 [30.11716652°] 168 16.755 (0.098)29 0.806 (0.117)
000-BNM-909 12:18:23.68 [184.59866333°] 30:00:55.1 [30.01530647°] 171 17.107 (0.018)29 0.584 (0.236)
  • AUID is the AAVSO Unique Identifier for the star. When reporting a problem, please include this AUID.
  • Coordinates are in J2000 sexagesimal format, followed by decimal degrees
  • Search for variable stars in this field via VSX
  • Label is that star's label when plotted on an AAVSO chart, usually (but not always) its V magnitude rounded to the nearest tenth.

Source Reference Table

Footnote Source Footnote Source Footnote Source
1 Tycho-2 17 ASAS 33 SRO50
2 GSC 1.2 18 SRO 34 K35
3 GSC 2.2 19 NA 35 Landolt2007
4 USNO A2.0 20 GCPD 36 Landolt2009
5 USNO B1.0 21 SDSS 37 BSM_S
6 GCVS 4.2 22 BSC 38 UCAC3
7 UCAC2 23 LONEOS 39 UCAC4
8 2MASS 24 WBVR 40 BSM-Hamren
9 AAVSO Charts 25 DENIS 41 BSM_Berry
10 CCD Henden 26 CMC14 42 TMO61
11 Downes 27 RRLyr 43 VSX
12 Hipparcos 28 BSM_NM 44 COKER30
13 HD 29 APASS 45 BSM_HQ
14 NSV 30 W28 46 Pan-STARRS
15 ACP 0.9 31 W30 47 Landolt2013
16 TASS 32 OC61 48 GAIA DR2