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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 1035 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 CI Hyi MEMC 2460632.0539 2024-11-17 13:17 8.705 0.007 Sloan r CCD
2 CI Hyi MEMC 2460632.0530 2024-11-17 13:16 9.617 0.003 Johnson V CCD
3 CI Hyi MEMC 2460632.0516 2024-11-17 13:14 11.041 0.006 Johnson B CCD
4 CI Hyi HMB 2460631.5387 2024-11-17 00:55 7.772 0.006 Cousins R CCD
5 CI Hyi HMB 2460631.5386 2024-11-17 00:55 7.763 0.006 Cousins R CCD
6 CI Hyi HMB 2460631.5384 2024-11-17 00:55 11.112 0.009 Johnson B CCD
7 CI Hyi HMB 2460631.5382 2024-11-17 00:54 11.138 0.009 Johnson B CCD
8 CI Hyi HMB 2460631.5380 2024-11-17 00:54 9.557 0.008 Johnson V CCD
9 CI Hyi HMB 2460631.5379 2024-11-17 00:54 9.524 0.008 Johnson V CCD
10 CI Hyi MEMC 2460631.2279 2024-11-16 17:28 5.455 0.017 Cousins I CCD
11 CI Hyi MEMC 2460631.2273 2024-11-16 17:27 8.698 0.005 Sloan r CCD
12 CI Hyi MEMC 2460631.2264 2024-11-16 17:26 9.623 0.014 Johnson V CCD
13 CI Hyi MEMC 2460631.2250 2024-11-16 17:23 11.053 0.006 Johnson B CCD
14 CI Hyi HMB 2460630.5415 2024-11-16 00:59 7.735 0.006 Cousins R CCD
15 CI Hyi HMB 2460630.5413 2024-11-16 00:59 7.750 0.006 Cousins R CCD
16 CI Hyi HMB 2460630.5412 2024-11-16 00:59 11.146 0.009 Johnson B CCD
17 CI Hyi HMB 2460630.5409 2024-11-16 00:58 11.141 0.009 Johnson B CCD
18 CI Hyi HMB 2460630.5407 2024-11-16 00:58 9.554 0.008 Johnson V CCD
19 CI Hyi HMB 2460630.5406 2024-11-16 00:58 9.531 0.008 Johnson V CCD
20 CI Hyi HMB 2460629.5442 2024-11-15 01:03 7.754 0.006 Cousins R CCD
21 CI Hyi HMB 2460629.5441 2024-11-15 01:03 7.771 0.006 Cousins R CCD
22 CI Hyi HMB 2460629.5439 2024-11-15 01:03 11.132 0.009 Johnson B CCD
23 CI Hyi HMB 2460629.5437 2024-11-15 01:02 11.136 0.009 Johnson B CCD
24 CI Hyi HMB 2460629.5435 2024-11-15 01:02 9.579 0.008 Johnson V CCD
25 CI Hyi HMB 2460629.5434 2024-11-15 01:02 9.485 0.008 Johnson V CCD