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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 7786 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RY Ser DFS 2459829.3628 2022-09-06 20:42 14.997 0.064 Johnson V CCD
2 SDSS J190817.07+394036.4 DFS 2459829.3609 2022-09-06 20:39 16.183 0.099 Johnson V CCD
3 V1239 Her DFS 2459829.3564 2022-09-06 20:33 15.169 0.034 Johnson V CCD
4 GP Com DFS 2459829.3347 2022-09-06 20:01 16.036 0.152 Johnson V CCD
5 CH UMa DFS 2459829.3274 2022-09-06 19:51 15.197 0.082 Johnson V CCD
6 UU Aql DFS 2459828.4601 2022-09-05 23:02 16.359 0.086 Johnson V CCD
7 V1239 Her OJR 2459828.4042 2022-09-05 21:42 <13.8 N/A Visual Visual
8 UU Aql PDM 2459828.3820 2022-09-05 21:10 16.2898 0.0319 Johnson V CCD
9 UU Aql PDM 2459828.3775 2022-09-05 21:03 16.417 0.0714 Johnson V CCD
10 RY Ser DFS 2459828.3644 2022-09-05 20:44 15.961 0.122 Johnson V CCD
11 SDSS J190817.07+394036.4 DFS 2459828.3625 2022-09-05 20:42 15.955 0.084 Johnson V CCD
12 V1239 Her DFS 2459828.3579 2022-09-05 20:35 15.216 0.029 Johnson V CCD
13 RY Ser PYG 2459828.3570 2022-09-05 20:34 16.279 0.094 CV CCD
14 UU Aql OJR 2459828.3556 2022-09-05 20:32 <14.1 N/A Visual Visual
15 GP Com DFS 2459828.3363 2022-09-05 20:04 16.088 0.160 Johnson V CCD
16 CH UMa DFS 2459828.3289 2022-09-05 19:53 15.193 0.094 Johnson V CCD
17 UU Aql PYG 2459827.7070 2022-09-05 04:58 16.085 0.050 CV CCD
18 ASASSN-14cn BVS 2459827.5562 2022-09-05 01:20 19.107 0.2 Johnson V CCD
19 RY Ser BVS 2459827.5236 2022-09-05 00:33 16.153 0.1 Johnson V CCD
20 ASASSN-14cn NOT 2459827.4071 2022-09-04 21:46 18.111 0.155 Johnson V CCD
21 UU Aql MUY 2459827.3903 2022-09-04 21:22 <14.0 N/A Visual Visual
22 UU Aql MJZ 2459827.3749 2022-09-04 20:59 <13.0 N/A Visual Visual
23 V1239 Her MUY 2459827.3736 2022-09-04 20:57 <14.3 N/A Visual Visual
24 UU Aql PYG 2459826.7070 2022-09-04 04:58 14.569 0.017 CV CCD
25 ASASSN-14cn BVS 2459826.6528 2022-09-04 03:40 19.104 0.2 Johnson V CCD