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Field photometry for S crb from the AAVSO Variable Star Database

Data includes all comparison stars within 7.5° of RA: 15:21:23.96 [230.34983333°] & Dec: 31:22:02.6 [31.36738889°]

Report this sequence as X36453OI in the chart field of your observation report.

AUID RA Dec Label V B-V Comments
000-BBW-312 15:34:41.27 [233.67195129°] 26:42:52.9 [26.71469307°] 22 2.230 (0.100)22 -0.020 (0.141) BINO_COMP. Alf CrB - EA - V= 2.22-2.32. ONLY FOR VISUAL USE.
000-BBV-664 14:44:59.22 [221.24674988°] 27:04:27.2 [27.07422256°] 24 2.361 (0.100)24 0.962 (0.141) Eps Boo. Combined magnitude. A= 2.48V; B= 4.85V
000-BBV-957 15:15:30.16 [228.87568665°] 33:18:53.4 [33.31483459°] 35 3.470 (0.100)22 0.950 (0.141) BINO_COMP
000-BBW-196 15:27:49.73 [231.95721436°] 29:06:20.5 [29.10570335°] 37 3.680 (0.100)22 0.280 (0.141) BINO_COMP
000-BBW-475 15:42:44.56 [235.6856842°] 26:17:44.3 [26.29563713°] 38 3.840 (0.100)22 0.000 (0.141)
000-BBW-775 15:57:35.25 [239.3968811°] 26:52:40.4 [26.8778801°] 42 4.150 (0.100)22 1.230 (0.141) BINO_COMP
000-BBW-127 15:24:29.43 [231.12261963°] 37:22:37.8 [37.37716675°] 43 4.310 (0.100)22 0.310 (0.141)
000-BBV-832 15:04:26.74 [226.11141968°] 26:56:51.5 [26.947649°] 45 4.540 (0.100)22 1.240 (0.141)
000-BBW-423 15:39:22.67 [234.84446716°] 36:38:08.9 [36.63581085°] 46 4.647 (0.100)24 -0.107 (0.141) Combined magnitude of a 6" double. A= 5.04V; B= 6.0V. B (zet 1 CrB) is an SPB with a 0.1 mag. amplitude. Combined range V= 4.64 - 4.67. ONLY FOR VISUAL USE. Duplicate of 000-BBW-424 (now hidden). Combined magnitude of a 6 arcsec. double. A= 5.04V; B= 6.00V.
000-BBW-625 15:51:13.93 [237.80804443°] 35:39:26.6 [35.65738297°] 48 4.820 (0.100)22 1.000 (0.141)
000-BCS-450 15:07:18.07 [226.82527161°] 24:52:09.1 [24.86919594°] 49 4.930 (0.100)22 0.430 (0.141)
000-BBW-105 15:23:12.31 [230.80130005°] 30:17:16.1 [30.28781128°] 50 4.985 (0.018)20 0.573 (0.028) Combined magnitude of a 1.0" double (V= 5.61 and 5.90). Position given is for the A component.
000-BBV-952 15:14:29.16 [228.62149048°] 29:09:51.5 [29.1642952°] 53 5.271 (0.031)1 0.054 (0.055)
000-BBW-719 15:55:47.59 [238.94827271°] 37:56:49.0 [37.94695663°] 54 5.443 (0.008)20 0.327 (0.017) BINO_COMP,NSV20448-Not For CCD
000-BBV-710 14:50:29.65 [222.62353516°] 37:16:19.4 [37.27204514°] 55 5.480 (0.100)22 1.020 (0.141)
000-BBW-029 15:20:08.56 [230.03565979°] 29:36:58.4 [29.61620903°] 55 5.502 (—)1 1.018 (—)
000-BBW-171 15:26:17.38 [231.57243347°] 34:20:09.6 [34.33599472°] 55 5.460 (0.100)22 1.400 (0.141)
000-BBW-496 15:43:59.30 [235.99708557°] 32:30:56.9 [32.51580811°] 56 5.560 (0.100)22 1.060 (0.141) BINO_COMP
000-BBV-702 14:49:58.40 [222.49333191°] 28:36:57.0 [28.61583138°] 58 5.800 (0.100)22 0.050 (0.141)
000-BBV-705 14:50:15.81 [222.56588745°] 23:54:42.6 [23.91184425°] 59 5.850 (0.100)22 0.560 (0.141)
000-BBV-696 14:48:23.35 [222.09727478°] 24:22:00.8 [24.3668766°] 61 6.140 (0.100)22 0.480 (0.141)
000-BBV-697 14:49:06.74 [222.27809143°] 37:48:40.2 [37.81118011°] 62 6.160 (0.100)22 0.360 (0.141)
000-BBW-335 15:35:49.19 [233.95497131°] 38:22:26.1 [38.37392807°] 63 6.300 (0.100)24 1.307 (0.141) BINO_COMP
000-BJS-199 15:19:30.05 [229.87521362°] 32:30:53.6 [32.51488876°] 63 6.311 (0.031)1 0.232 (0.055)
000-BKR-971 14:45:13.71 [221.30712891°] 32:47:18.0 [32.78833389°] 63 6.264 (0.031)1 1.579 (0.056) BINO_COMP,NSV 20179
000-BBW-563 15:48:01.79 [237.00746155°] 31:44:08.2 [31.73561096°] 64 6.400 (0.030)12 1.510 (0.144) BINO_COMP. HIP 77397. V= 6.39 - 6.41. Only for visual use.
000-BBW-218 15:30:22.77 [232.59486389°] 31:17:09.4 [31.28593254°] 65 6.460 (0.100)22 0.190 (0.141)
000-BBW-384 15:36:53.43 [234.22261047°] 29:59:28.3 [29.99118233°] 65 6.466 (0.100)24 0.412 (0.141)
000-BKS-049 15:30:27.81 [232.61587524°] 36:48:16.4 [36.80455399°] 65 6.520 (0.032)1 1.159 (0.057) BINO_COMP
000-BBV-994 15:17:53.07 [229.47113037°] 33:35:39.6 [33.59433365°] 66 6.643 (0.100)24 0.899 (0.141)
000-BBV-698 14:49:14.83 [222.3117981°] 25:09:03.2 [25.15089226°] 67 6.670 (0.100)24 1.368 (0.141)
000-BBW-473 15:42:40.61 [235.66918945°] 31:42:31.5 [31.70875168°] 67 6.715 (0.100)24 1.389 (0.141)
000-BBV-755 14:56:00.40 [224.00167847°] 24:23:09.7 [24.38601685°] 68 6.820 (0.100)24 1.179 (0.141)
000-BBV-918 15:10:38.89 [227.66204834°] 33:04:44.0 [33.07888412°] 69 6.920 (0.100)24 1.116 (0.141)
000-BBV-997 15:17:59.69 [229.49868774°] 30:49:58.5 [30.83292389°] 69 6.863 (0.100)24 1.016 (0.141)
000-BBW-042 15:20:50.08 [230.20864868°] 31:28:48.4 [31.48010826°] 69 6.902 (0.100)24 0.485 (0.141) BINO_COMP
000-BBW-434 15:40:25.99 [235.10830688°] 37:31:01.5 [37.51709366°] 69 6.904 (0.100)24 1.524 (0.141) BINO_COMP,NSV 20376
000-BJS-689 15:54:56.84 [238.73683167°] 34:21:45.1 [34.36252594°] 71 7.118 (0.032)1 0.145 (0.057)
000-BBV-817 15:02:29.26 [225.62191772°] 33:16:27.7 [33.27436066°] 72 7.158 (0.032)1 0.960 (0.057)
000-BBV-874 15:08:00.51 [227.00212097°] 28:31:06.3 [28.51841736°] 72 7.219 (0.032)1 0.897 (0.057)
000-BBW-435 15:40:30.22 [235.12591553°] 37:01:01.2 [37.01698685°] 72 7.170 (0.100)24 -0.002 (0.141) BINO_COMP
000-BBV-780 14:58:49.64 [224.70683289°] 25:02:52.8 [25.04800034°] 73 7.322 (0.032)1 1.033 (0.057)
000-BBV-943 15:11:57.75 [227.9906311°] 36:45:16.8 [36.75466537°] 73 7.273 (0.032)1 0.833 (0.057)
000-BBW-098 15:22:32.33 [230.63468933°] 34:13:45.9 [34.22942734°] 73 7.294 (0.100)24 1.066 (0.141)
000-BBW-480 15:43:14.36 [235.80982971°] 31:23:04.5 [31.38458252°] 73 7.255 (0.032)1 0.468 (0.057)
000-BBW-794 15:58:24.29 [239.60121155°] 37:49:38.9 [37.82747269°] 73 7.325 (0.032)1 0.402 (0.057)
000-BBW-102 15:22:46.02 [230.6917572°] 28:03:25.3 [28.05702782°] 74 7.373 (0.032)1 0.983 (0.057)
000-BBW-559 15:47:40.80 [236.91999817°] 28:28:09.6 [28.46933365°] 74 7.427 (0.032)1 0.470 (0.057) BINO_COMP
000-BBW-644 15:52:02.26 [238.00942993°] 29:52:54.0 [29.88167572°] 74 7.357 (0.100)24 1.514 (0.141)
000-BCS-451 15:09:29.49 [227.37287903°] 24:40:33.7 [24.6760273°] 74 7.416 (0.100)24 0.455 (0.141)
000-BBV-691 14:47:39.25 [221.9135437°] 24:05:51.0 [24.09749985°] 75 7.470 (0.032)1 1.355 (0.058)
000-BBV-775 14:58:12.73 [224.55303955°] 26:49:00.9 [26.81691742°] 75 7.523 (0.011)17 0.463 (0.039)
000-BBW-176 15:26:30.15 [231.62562561°] 28:07:39.1 [28.12752724°] 75 7.462 (0.032)1 1.341 (0.058)
000-BBW-413 15:38:09.18 [234.53825378°] 38:01:41.0 [38.0280571°] 75 7.490 (0.032)1 1.182 (0.057) BINO_COMP
000-BKS-227 14:44:55.77 [221.2323761°] 30:17:41.7 [30.29491615°] 75 7.533 (0.011)12 1.241 (0.019) BINO_COMP
000-BBV-796 15:00:26.08 [225.1086731°] 31:36:54.6 [31.61516762°] 76 7.614 (0.037)16 0.590 (0.063)
000-BBW-619 15:50:51.70 [237.71542358°] 37:33:12.3 [37.55341721°] 76 7.582 (0.069)16 1.152 (0.104)
000-BKS-233 15:55:25.81 [238.85754395°] 29:32:13.5 [29.53708267°] 76 7.633 (0.013)12 0.062 (0.022) BINO_COMP
000-BBW-657 15:52:30.86 [238.12858582°] 28:54:47.9 [28.91330528°] 78 7.806 (0.014)12 1.216 (0.024) BINO_COMP
000-BJS-851 15:58:59.91 [239.74961853°] 36:56:31.3 [36.94202805°] 78 7.780 (0.032)1 0.944 (0.058)
000-BBV-948 15:12:34.50 [228.14375305°] 35:58:17.9 [35.97163773°] 79 7.875 (0.038)16 0.412 (0.064)
000-BMZ-307 15:52:21.51 [238.08963013°] 28:36:26.6 [28.60738945°] 79 7.914 (0.032)1 1.254 (0.057)
000-BBW-107 15:23:21.22 [230.83840942°] 31:48:42.6 [31.81183243°] 80 8.049 (0.041)28 0.313 (0.064)
000-BKR-974 14:44:46.58 [221.19407654°] 32:07:46.9 [32.12969589°] 80 8.025 (0.032)1 1.012 (0.058) BINO_COMP
000-BBW-515 15:45:07.51 [236.28129578°] 28:28:11.4 [28.46983337°] 81 8.065 (0.030)12 0.595 (0.073) BINO_COMP
000-BBW-448 15:41:00.85 [235.25354004°] 38:16:53.1 [38.28141785°] 82 8.239 (0.059)16 0.456 (0.091)
000-BKC-019 15:22:45.80 [230.69082642°] 30:32:52.6 [30.54794502°] 82 8.155 (0.032)1 0.438 (0.057)
000-BBV-955 15:15:03.26 [228.76358032°] 36:49:48.8 [36.83022308°] 83 8.300 (0.034)16 0.516 (0.060)
000-BBV-933 15:11:22.88 [227.84533691°] 32:03:21.5 [32.05597305°] 84 8.437 (0.049)16 0.752 (0.078)
000-BBW-675 15:53:08.46 [238.2852478°] 27:48:52.0 [27.81444359°] 84 8.359 (0.010)17 1.126 (0.039)
000-BKR-975 14:50:49.25 [222.70521545°] 30:25:45.6 [30.42933273°] 85 8.509 (0.033)1 1.070 (0.061) BINO_COMP
000-BBV-951 15:13:35.21 [228.39671326°] 34:52:54.8 [34.88188934°] 86 8.643 (0.044)16 0.465 (0.072)
000-BBW-034 15:20:18.10 [230.07542419°] 32:02:40.7 [32.04463959°] 86 8.600 (0.059)28 0.634 (0.091)
000-BJS-853 15:55:56.79 [238.98661804°] 36:43:22.3 [36.72286224°] 86 8.636 (0.033)1 0.627 (0.060)
000-BBW-552 15:47:06.98 [236.77908325°] 29:06:14.1 [29.10391617°] 87 8.747 (0.039)16 1.264 (0.067)
000-BMZ-306 15:51:59.86 [237.99942017°] 28:38:37.5 [28.64374924°] 88 8.775 (0.032)1 1.600 (0.063) To Red for R CrB comp?
000-BBW-520 15:45:44.87 [236.43696594°] 28:58:09.5 [28.96930504°] 89 8.908 (0.041)16 1.071 (0.070) BINO_COMP
000-BNC-193 15:41:44.50 [235.43540955°] 36:26:11.3 [36.43647385°] 89 8.889 (0.033)1 0.535 (0.060)
000-BBW-013 15:19:40.14 [229.91725159°] 31:50:33.0 [31.84250069°] 90 9.030 (0.038)28 0.823 (0.063)
000-BKJ-109 15:48:06.42 [237.02674866°] 37:58:22.6 [37.97294617°] 90 9.048 (0.034)1 0.434 (0.062)
  • 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