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The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.

Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 137 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R Aqr DFS 2458854.2944 2020-01-05 19:03 12.210 0.008 Johnson V CCD
2 R Aqr CSZ 2458854.2313 2020-01-05 17:33 11.9 N/A Visual Visual
3 R Aqr BDI 2458854.2000 2020-01-05 16:48 <11.3 N/A Visual Visual
4 R Aqr BVQ 2458853.5868 2020-01-05 02:04 8.0894 0.0129 Cousins I CCD
5 R Aqr BVQ 2458853.5867 2020-01-05 02:04 10.6514 0.0215 Cousins R CCD
6 R Aqr BVQ 2458853.5866 2020-01-05 02:04 12.0133 0.0269 Johnson V CCD
7 R Aqr BVQ 2458853.5864 2020-01-05 02:04 12.6979 0.0235 Johnson B CCD
8 R Aqr BVQ 2458853.5862 2020-01-05 02:04 11.2621 0.0483 Johnson U CCD
9 R Aqr CKB 2458853.5611 2020-01-05 01:27 12.0 N/A Visual Visual
10 R Aqr DFS 2458853.2944 2020-01-04 19:03 12.199 0.008 Johnson B CCD
11 R Aqr DFS 2458853.2940 2020-01-04 19:03 11.073 0.007 Cousins R CCD
12 R Aqr DFS 2458853.2935 2020-01-04 19:02 12.171 0.008 Johnson V CCD
13 R Aqr BHQ 2458852.9435 2020-01-04 10:38 12.207 0.043 Johnson V CCD
14 R Aqr MGW 2458852.9380 2020-01-04 10:30 12.115 0.014 Johnson V CCD
15 R Aqr MGW 2458852.9369 2020-01-04 10:29 12.754 0.009 Johnson B CCD
16 R Aqr LPAC 2458852.6606 2020-01-04 03:51 12.177 0.005 Johnson V CCD
17 R Aqr LPAC 2458852.6590 2020-01-04 03:48 12.204 0.004 Johnson V CCD
18 R Aqr LPAC 2458852.6574 2020-01-04 03:46 12.197 0.005 Johnson V CCD
19 R Aqr LPAC 2458852.6548 2020-01-04 03:42 12.206 0.005 Johnson V CCD
20 R Aqr LPAC 2458852.6499 2020-01-04 03:35 12.205 0.005 Johnson V CCD
21 R Aqr LPAC 2458852.6400 2020-01-04 03:21 12.239 0.008 Johnson V CCD
22 R Aqr LPAC 2458852.6385 2020-01-04 03:19 12.267 0.012 Johnson V CCD
23 R Aqr LPAC 2458852.6356 2020-01-04 03:15 12.091 0.010 Johnson V CCD
24 R Aqr LPAC 2458852.6341 2020-01-04 03:13 12.240 0.013 Johnson V CCD
25 R Aqr LPAC 2458852.6297 2020-01-04 03:06 12.124 0.009 Johnson V CCD