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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 HMB 2458851.5118 2020-01-03 00:16 12.121 0.046 Johnson V CCD
2 R AQR HMB 2458851.5118 2020-01-03 00:17 12.084 0.048 Johnson V CCD
3 R AQR HMB 2458851.5123 2020-01-03 00:17 11.301 0.035 Johnson U CCD
4 R AQR HMB 2458851.5131 2020-01-03 00:18 11.298 0.035 Johnson U CCD
5 R AQR HMB 2458851.5135 2020-01-03 00:19 12.676 0.034 Johnson B CCD
6 R AQR HMB 2458851.5137 2020-01-03 00:19 12.687 0.035 Johnson B CCD
7 R AQR HMB 2458852.5119 2020-01-04 00:17 12.089 0.016 Johnson V CCD
8 R AQR HMB 2458852.5120 2020-01-04 00:17 12.135 0.016 Johnson V CCD
9 R AQR HMB 2458852.5123 2020-01-04 00:17 12.720 0.022 Johnson B CCD
10 R AQR HMB 2458852.5126 2020-01-04 00:18 12.673 0.021 Johnson B CCD
11 R AQR BVQ 2458853.5864 2020-01-05 02:04 12.6979 0.0235 Johnson B CCD
12 R AQR BVQ 2458853.5868 2020-01-05 02:04 8.0894 0.0129 Cousins I CCD
13 R AQR BVQ 2458853.5867 2020-01-05 02:04 10.6514 0.0215 Cousins R CCD
14 R AQR BVQ 2458853.5862 2020-01-05 02:04 11.2621 0.0483 Johnson U CCD
15 R AQR BVQ 2458853.5866 2020-01-05 02:04 12.0133 0.0269 Johnson V CCD
16 R AQR DFS 2458853.2935 2020-01-04 19:02 12.171 0.008 Johnson V CCD
17 R AQR DFS 2458853.2940 2020-01-04 19:03 11.073 0.007 Cousins R CCD
18 R AQR DFS 2458853.2944 2020-01-04 19:03 12.199 0.008 Johnson B CCD
19 R AQR CSZ 2458854.2313 2020-01-05 17:33 11.9 N/A Visual Visual
20 R AQR CKB 2458853.5611 2020-01-05 01:27 12.0 N/A Visual Visual
21 R AQR HMB 2458855.5123 2020-01-07 00:17 12.194 0.017 Johnson V CCD
22 R AQR HMB 2458855.5125 2020-01-07 00:17 12.176 0.016 Johnson V CCD
23 R AQR HMB 2458855.5128 2020-01-07 00:18 12.781 0.022 Johnson B CCD
24 R AQR HMB 2458855.5130 2020-01-07 00:18 12.965 0.029 Johnson B CCD
25 R AQR DFS 2458854.2944 2020-01-05 19:03 12.210 0.008 Johnson V CCD