Field photometry for 3C 390.3 from the AAVSO Variable Star Database
Data includes all comparison stars within 0.5° of RA: 18:42:08.98 [280.53741667°] & Dec: 79:46:17.2 [79.77144444°]
Report this sequence as X36483AYZ in the chart field of your observation report.
AUID | RA | Dec | Label | V | B-V | Comments |
---|---|---|---|---|---|---|
000-BKF-448 | 18:43:05.10 [280.77124023°] | 79:42:20.8 [79.70578003°] | 136 | 13.611 (0.009)19 | 0.791 (0.022) | Doroshenko 2005 |
000-BKF-449 | 18:43:22.00 [280.8416748°] | 79:45:05.5 [79.75152588°] | 142 | 14.200 (0.009)19 | 0.639 (0.022) | Doroshenko 2005 |
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 |