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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 221266 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AD Leo HMB 2460689.4589 2025-01-13 23:00 9.353 0.008 Johnson V CCD
2 AD Leo HMB 2460689.4590 2025-01-13 23:01 9.338 0.008 Johnson V CCD
3 AD Leo HMB 2460689.4591 2025-01-13 23:01 9.357 0.008 Johnson V CCD
4 AD Leo HMB 2460689.4593 2025-01-13 23:01 9.368 0.008 Johnson V CCD
5 AD Leo HMB 2460689.4594 2025-01-13 23:01 9.387 0.008 Johnson V CCD
6 AD Leo HMB 2460689.4595 2025-01-13 23:01 9.362 0.008 Johnson V CCD
7 AD Leo HMB 2460689.4611 2025-01-13 23:03 9.410 0.008 Johnson V CCD
8 AD Leo HMB 2460689.4612 2025-01-13 23:04 9.346 0.008 Johnson V CCD
9 AD Leo HMB 2460689.4613 2025-01-13 23:04 9.412 0.008 Johnson V CCD
10 AD Leo HMB 2460689.4614 2025-01-13 23:04 9.417 0.008 Johnson V CCD
11 AD Leo HMB 2460689.4615 2025-01-13 23:04 9.383 0.008 Johnson V CCD
12 AD Leo HMB 2460689.4616 2025-01-13 23:04 9.393 0.008 Johnson V CCD
13 AD Leo HMB 2460689.4632 2025-01-13 23:06 9.336 0.008 Johnson V CCD
14 AD Leo HMB 2460689.4633 2025-01-13 23:07 9.339 0.008 Johnson V CCD
15 AD Leo HMB 2460689.4634 2025-01-13 23:07 9.348 0.008 Johnson V CCD
16 AD Leo HMB 2460689.4635 2025-01-13 23:07 9.360 0.008 Johnson V CCD
17 AD Leo HMB 2460689.4636 2025-01-13 23:07 9.327 0.008 Johnson V CCD
18 AD Leo HMB 2460689.4637 2025-01-13 23:07 9.375 0.008 Johnson V CCD
19 AD Leo HMB 2460689.4653 2025-01-13 23:10 9.373 0.008 Johnson V CCD
20 AD Leo HMB 2460689.4654 2025-01-13 23:10 9.354 0.008 Johnson V CCD
21 AD Leo HMB 2460689.4655 2025-01-13 23:10 9.365 0.008 Johnson V CCD
22 AD Leo HMB 2460689.4656 2025-01-13 23:10 9.365 0.008 Johnson V CCD
23 AD Leo HMB 2460689.4657 2025-01-13 23:10 9.396 0.008 Johnson V CCD
24 AD Leo HMB 2460689.4658 2025-01-13 23:10 9.416 0.008 Johnson V CCD
25 AD Leo HMB 2460689.4674 2025-01-13 23:13 9.324 0.008 Johnson V CCD