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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.

Note: Search parameters have been overridden by the selected campaign: None.
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 729382 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 T CrB WCR 2461062.9696 2026-01-22 11:16 10.6 N/A Visual Visual
2 T CrB TRIB 2461062.8653 2026-01-22 08:46 <5.8 N/A Visual Visual
3 T CrB MHOC 2461062.7401 2026-01-22 05:45 10.0686 0.0119 TG CCD
4 T CrB MHOC 2461062.7401 2026-01-22 05:45 9.3387 0.0143 TR CCD
5 T CrB MHOC 2461062.7398 2026-01-22 05:45 11.19 0.0277 TB CCD
6 T CrB MHOC 2461062.7394 2026-01-22 05:44 10.05 0.0128 TG CCD
7 T CrB MHOC 2461062.7394 2026-01-22 05:44 9.3756 0.0166 TR CCD
8 T CrB MHOC 2461062.7390 2026-01-22 05:44 11.1855 0.0229 TB CCD
9 T CrB MHOC 2461062.7386 2026-01-22 05:43 10.0358 0.0093 TG CCD
10 T CrB MHOC 2461062.7386 2026-01-22 05:43 9.3672 0.0121 TR CCD
11 T CrB MHOC 2461062.7382 2026-01-22 05:42 11.1333 0.0242 TB CCD
12 T CrB MHOC 2461062.7378 2026-01-22 05:42 10.0523 0.0144 TG CCD
13 T CrB MHOC 2461062.7378 2026-01-22 05:42 9.3754 0.018 TR CCD
14 T CrB MHOC 2461062.7374 2026-01-22 05:41 11.0856 0.0201 TB CCD
15 T CrB MHOC 2461062.7370 2026-01-22 05:41 10.0746 0.0106 TG CCD
16 T CrB MHOC 2461062.7370 2026-01-22 05:41 9.3602 0.0141 TR CCD
17 T CrB MHOC 2461062.7364 2026-01-22 05:40 11.2364 0.0233 TB CCD
18 T CrB MHOC 2461062.7359 2026-01-22 05:39 10.0673 0.0144 TG CCD
19 T CrB MHOC 2461062.7359 2026-01-22 05:39 9.3154 0.0182 TR CCD
20 T CrB MHOC 2461062.7355 2026-01-22 05:39 11.1865 0.0242 TB CCD
21 T CrB MHOC 2461062.7351 2026-01-22 05:38 10.0604 0.0145 TG CCD
22 T CrB MHOC 2461062.7351 2026-01-22 05:38 9.3721 0.0173 TR CCD
23 T CrB MHOC 2461062.7347 2026-01-22 05:37 11.1299 0.0187 TB CCD
24 T CrB MHOC 2461062.7343 2026-01-22 05:37 10.0366 0.0142 TG CCD
25 T CrB MHOC 2461062.7343 2026-01-22 05:37 9.3193 0.019 TR CCD