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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 2603 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 DI Cha HMB 2459674.5672 2022-04-05 01:36 9.692 0.009 Cousins I CCD
2 DI Cha HMB 2459674.5670 2022-04-05 01:36 10.236 0.006 Cousins R CCD
3 DI Cha HMB 2459674.5668 2022-04-05 01:36 10.227 0.006 Cousins R CCD
4 SY Cha HMB 2459674.5664 2022-04-05 01:35 12.260 0.005 Cousins R CCD
5 SY Cha HMB 2459674.5659 2022-04-05 01:34 12.265 0.005 Cousins R CCD
6 SY Cha HMB 2459674.5650 2022-04-05 01:33 14.251 0.015 Johnson B CCD
7 SY Cha HMB 2459674.5639 2022-04-05 01:32 14.223 0.015 Johnson B CCD
8 SY Cha HMB 2459674.5630 2022-04-05 01:30 13.145 0.008 Johnson V CCD
9 SY Cha HMB 2459674.5623 2022-04-05 01:29 13.097 0.007 Johnson V CCD
10 SY Cha HMB 2459674.5616 2022-04-05 01:28 11.454 0.007 Cousins I CCD
11 SY Cha HMB 2459674.5610 2022-04-05 01:27 11.417 0.008 Cousins I CCD
12 EL Cha HMB 2459674.5566 2022-04-05 01:21 11.929 0.021 Cousins I CCD
13 EL Cha HMB 2459674.5560 2022-04-05 01:20 11.954 0.026 Cousins I CCD
14 EL Cha HMB 2459674.5554 2022-04-05 01:19 13.311 0.017 Cousins R CCD
15 EL Cha HMB 2459674.5548 2022-04-05 01:18 13.230 0.014 Cousins R CCD
16 EL Cha HMB 2459674.5540 2022-04-05 01:17 15.535 0.076 Johnson B CCD
17 EL Cha HMB 2459674.5529 2022-04-05 01:16 15.505 0.061 Johnson B CCD
18 EL Cha HMB 2459674.5520 2022-04-05 01:14 14.114 0.019 Johnson V CCD
19 EL Cha HMB 2459674.5512 2022-04-05 01:13 14.128 0.019 Johnson V CCD
20 TW Hya DANF 2459674.5138 2022-04-05 00:19 9.770 0.008 Sloan i CCD
21 TW Hya DANF 2459674.5135 2022-04-05 00:19 10.202 0.008 Sloan r CCD
22 TW Hya DANF 2459674.5132 2022-04-05 00:18 10.827 0.013 Johnson V CCD
23 TW Hya DANF 2459674.5128 2022-04-05 00:18 11.729 0.025 Johnson B CCD
24 TW Hya DCMA 2459674.4757 2022-04-04 23:24 10.9 N/A Visual Visual
25 TW Hya OMOA 2459674.3346 2022-04-04 20:01 10.855 0.003 Johnson V CCD