Variable Star Plotter
Field photometry for BL LAC from the AAVSO Variable Star Database
Data includes all comparison stars within 0.125° of RA: 22:02:43.29 [330.680375°] & Dec: 42:16:40.0 [42.27777778°]
Report this sequence as X36444FD in the chart field of your observation report.
| AUID | RA | Dec | Label | V | B-V | Comments |
|---|---|---|---|---|---|---|
| 000-BCP-818 | 22:02:16.09 [330.56704712°] | 42:14:52.8 [42.2480011°] | 115 | 11.532 (0.051)29 | 1.170 (0.096) | |
| 000-BCP-843 | 22:02:54.01 [330.72503662°] | 42:13:18.2 [42.22172165°] | 119 | 11.878 (0.067)29 | 0.397 (0.127) | |
| 000-BCP-819 | 22:02:16.70 [330.56958008°] | 42:16:49.5 [42.2804184°] | 130 | 12.972 (0.048)29 | 0.654 (0.090) | |
| 000-BCP-821 | 22:02:23.79 [330.59912109°] | 42:17:17.2 [42.28811264°] | 133 | 13.269 (0.045)29 | 0.717 (0.089) | |
| 000-BLC-294 | 22:02:10.69 [330.54455566°] | 42:15:16.9 [42.25469589°] | 138 | 13.781 (0.036)29 | 0.780 (0.081) | |
| 000-BCP-829 | 22:02:40.07 [330.66696167°] | 42:17:09.8 [42.28605652°] | 143 | 14.265 (0.053)29 | 0.836 (0.097) | |
| 000-BLC-291 | 22:02:48.25 [330.7010498°] | 42:11:53.0 [42.19805527°] | 146 | 14.628 (0.075)29 | 0.828 (0.189) | |
| 000-BLC-292 | 22:02:24.88 [330.60366821°] | 42:16:20.2 [42.27227783°] | 150 | 15.011 (0.025)29 | 0.734 (0.085) | |
| 000-BCP-827 | 22:02:36.07 [330.65029907°] | 42:16:53.8 [42.2816124°] | 157 | 15.672 (0.051)29 | 0.818 (0.113) | |
| 000-BLC-293 | 22:02:31.30 [330.63040161°] | 42:15:39.3 [42.26091766°] | 161 | 16.142 (0.060)29 | 0.696 (0.230) | |
| 000-BCP-831 | 22:02:43.12 [330.67965698°] | 42:15:36.4 [42.26011276°] | 170 | 16.960 (—)26 | — |
- 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 |