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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 UU Aql CCT 2459832.4964 2022-09-09 23:54 16.367 0.01 Johnson V CCD
2 UU Aql DFS 2459832.4557 2022-09-09 22:56 16.649 0.193 Johnson V CCD
3 SDSS J190817.07+394036.4 PDM 2459832.4268 2022-09-09 22:14 16.0947 0.0249 Johnson V CCD
4 SDSS J190817.07+394036.4 PDM 2459832.4213 2022-09-09 22:06 15.9431 0.0298 Johnson V CCD
5 ASASSN-14cn PDM 2459832.3714 2022-09-09 20:54 18.9777 0.2310 Johnson V CCD
6 ASASSN-14cn PDM 2459832.3659 2022-09-09 20:46 20.3837 0.8268 Johnson V CCD
7 RY Ser DFS 2459832.3602 2022-09-09 20:38 14.344 0.039 Johnson V CCD
8 SDSS J190817.07+394036.4 DFS 2459832.3583 2022-09-09 20:35 15.846 0.099 Johnson V CCD
9 V1239 Her DFS 2459832.3537 2022-09-09 20:29 15.204 0.040 Johnson V CCD
10 GP Com DFS 2459832.3317 2022-09-09 19:57 14.272 0.108 Johnson V CCD
11 CH UMa DFS 2459832.3244 2022-09-09 19:47 16.091 0.332 Johnson V CCD
12 UU Aql DFS 2459831.4558 2022-09-08 22:56 14.969 0.049 Johnson V CCD
13 SDSS J190817.07+394036.4 PDM 2459831.3891 2022-09-08 21:20 16.0734 0.0206 Johnson V CCD
14 SDSS J190817.07+394036.4 PDM 2459831.3836 2022-09-08 21:12 16.1777 0.0308 Johnson V CCD
15 RY Ser DFS 2459831.3604 2022-09-08 20:39 14.476 0.050 Johnson V CCD
16 SDSS J190817.07+394036.4 DFS 2459831.3585 2022-09-08 20:36 16.330 0.122 Johnson V CCD
17 V1239 Her DFS 2459831.3540 2022-09-08 20:29 15.074 0.040 Johnson V CCD
18 GP Com DFS 2459831.3323 2022-09-08 19:58 15.089 0.130 Johnson V CCD
19 SDSS J190817.07+394036.4 PDM 2459830.5379 2022-09-08 00:54 16.0872 0.0234 Johnson V CCD
20 RY Ser BVS 2459830.5348 2022-09-08 00:50 14.529 0.1 Johnson V CCD
21 SDSS J190817.07+394036.4 PDM 2459830.5324 2022-09-08 00:46 16.0477 0.0315 Johnson V CCD
22 RY Ser BVS 2459829.5355 2022-09-07 00:51 14.804 0.1 Johnson V CCD
23 UU Aql DFS 2459829.4605 2022-09-06 23:03 15.094 0.052 Johnson V CCD
24 SDSS J190817.07+394036.4 PDM 2459829.3944 2022-09-06 21:27 16.0818 0.0217 Johnson V CCD
25 SDSS J190817.07+394036.4 PDM 2459829.3890 2022-09-06 21:20 16.048 0.0338 Johnson V CCD