Variable Star Plotter

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 X38518LD in the chart field of your observation report.

AUID	RA	Dec	Label	V	B-V
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.

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