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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 5257 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HM Lup HMB 2459394.4708 2021-06-28 23:17 15.856 0.051 Johnson B CCD
2 HM Lup HMB 2459394.4697 2021-06-28 23:16 14.644 0.027 Johnson V CCD
3 HM Lup HMB 2459394.4689 2021-06-28 23:15 14.709 0.025 Johnson V CCD
4 GX Cha HMB 2459394.4665 2021-06-28 23:11 16.834 0.138 Johnson V CCD
5 GX Cha HMB 2459394.4654 2021-06-28 23:10 16.812 0.129 Johnson V CCD
6 GX Cha HMB 2459394.4645 2021-06-28 23:08 13.625 0.041 Cousins I CCD
7 GX Cha HMB 2459394.4637 2021-06-28 23:07 13.565 0.041 Cousins I CCD
8 RU Lup DCMA 2459394.4056 2021-06-28 21:44 10.3 N/A Visual Visual
9 SSTc2d J160000.6-422158 MGW 2459393.8924 2021-06-28 09:25 15.132 0.008 Cousins R CCD
10 SSTc2d J160000.6-422158 MGW 2459393.8924 2021-06-28 09:25 15.131 0.007 Cousins R CCD
11 SSTc2d J160000.6-422158 MGW 2459393.8887 2021-06-28 09:19 16.460 0.016 Johnson V CCD
12 SSTc2d J160000.6-422158 MGW 2459393.8850 2021-06-28 09:14 18.059 0.053 Johnson B CCD
13 RU Lup MGW 2459393.8828 2021-06-28 09:11 8.885 0.004 Cousins I CCD
14 RU Lup MGW 2459393.8822 2021-06-28 09:10 9.542 0.003 Cousins R CCD
15 RU Lup MGW 2459393.8816 2021-06-28 09:09 10.060 0.005 Johnson V CCD
16 RU Lup MGW 2459393.8806 2021-06-28 09:08 10.518 0.004 Johnson B CCD
17 NSV 20520 MGW 2459393.8789 2021-06-28 09:05 12.134 0.006 Cousins I CCD
18 NSV 20520 MGW 2459393.8772 2021-06-28 09:03 13.157 0.005 Cousins R CCD
19 NSV 20520 MGW 2459393.8756 2021-06-28 09:00 14.218 0.008 Johnson V CCD
20 NSV 20520 MGW 2459393.8729 2021-06-28 08:57 15.353 0.009 Johnson B CCD
21 NSV 20468 MGW 2459393.8698 2021-06-28 08:52 12.243 0.005 Cousins I CCD
22 NSV 20468 MGW 2459393.8675 2021-06-28 08:49 13.578 0.004 Cousins R CCD
23 NSV 20468 MGW 2459393.8645 2021-06-28 08:44 14.746 0.005 Johnson V CCD
24 NSV 20468 MGW 2459393.8608 2021-06-28 08:39 16.272 0.013 Johnson B CCD
25 TW Cha MGW 2459393.8584 2021-06-28 08:36 11.434 0.005 Cousins I CCD