AAVSO: American Association of Variable Star Observers

Variable Star Plotter

Field photometry for KL CYG from the AAVSO Variable Star Database

Data includes all comparison stars within 0.154166666667° of RA: 19:57:53.47 [299.47279°] & Dec: 33:09:35.9 [33.15998°]

Report this sequence as X25434ME in the chart field of your observation report.

AUID RA Dec Label V B-V Comments
000-BCJ-941 19:58:32.70 [299.63626099°] 33:16:39.2 [33.27755737°] 73 7.268 (0.100)24 -0.162 (0.173)
000-BKK-148 19:58:30.89 [299.62872314°] 33:07:08.6 [33.1190567°] 94 9.425 (0.037)1 1.095 (0.077)
000-BKK-149 19:57:10.08 [299.29199219°] 33:10:56.1 [33.18225098°] 103 10.263 (0.051)1 1.092 (0.116)
000-BKK-151 19:58:04.46 [299.51858521°] 33:09:12.4 [33.1534462°] 115 11.511 (0.050)26 0.970 (0.071)
000-BKK-152 19:57:54.65 [299.47772217°] 33:11:26.7 [33.19075012°] 121 12.115 (0.050)26 0.291 (0.071)
000-BKK-153 19:57:35.15 [299.39645386°] 33:07:10.8 [33.11966705°] 128 12.898 (0.050)26 1.205 (0.071)
000-BKK-154 19:57:48.02 [299.45007324°] 33:10:30.2 [33.17505646°] 132 13.201 (0.050)26 1.167 (0.071)
000-BKK-155 19:57:55.13 [299.47970581°] 33:14:31.8 [33.24216843°] 136 13.695 (0.050)26 0.705 (0.071)
000-BKK-156 19:58:08.19 [299.53411865°] 33:09:26.7 [33.1574173°] 141 14.165 (0.050)26 0.722 (0.071)
000-BKK-157 19:57:40.12 [299.41717529°] 33:08:08.4 [33.13566589°] 144 14.417 (0.050)26 1.411 (0.071)
  • 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