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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 3460 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 alf Ori RRO 2460230.6875 2023-10-13 04:30 0.5 N/A Visual Visual
2 alf Ori KSQ 2460231.4118 2023-10-13 21:53 0.3 N/A Visual Visual
3 alf Ori ERW 2460231.2000 2023-10-13 16:48 0.22 N/A Visual Visual
4 alf Ori DMIB 2460231.6368 2023-10-14 03:17 0.6 N/A Visual Visual
5 alf Ori BCAD 2460230.5174 2023-10-13 00:24 0.39 N/A Visual Visual
6 alf Ori MQA 2460232.5060 2023-10-15 00:08 0.2 N/A Visual Visual
7 alf Ori MPIB 2460232.5208 2023-10-15 00:29 0.5 N/A Visual Visual
8 alf Ori PGD 2460233.9590 2023-10-16 11:00 -3.109 0.005 J NIR 1.2micron PEP
9 alf Ori PGD 2460233.9590 2023-10-16 11:00 -3.903 0.003 H NIR 1.6micron PEP
10 alf Ori NOT 2460233.6652 2023-10-16 03:57 0.479 0.006 Johnson V CCD
11 alf Ori MQA 2460233.5760 2023-10-16 01:49 0.2 N/A Visual Visual
12 alf Ori CKB 2460233.9347 2023-10-16 10:25 0.4 N/A Visual Visual
13 alf Ori OME 2460234.6389 2023-10-17 03:20 0.5 N/A Visual Visual
14 alf Ori MPIB 2460234.5556 2023-10-17 01:20 0.5 N/A Visual Visual
15 alf Ori MQA 2460234.5970 2023-10-17 02:19 0.3 N/A Visual Visual
16 alf Ori MPTA 2460234.6042 2023-10-17 02:30 0.5 N/A Visual Visual
17 alf Ori OME 2460235.6354 2023-10-18 03:15 0.5 N/A Visual Visual
18 alf Ori MPIB 2460235.4792 2023-10-17 23:30 0.4 N/A Visual Visual
19 alf Ori MQA 2460235.4720 2023-10-17 23:19 0.3 N/A Visual Visual
20 alf Ori ERW 2460236.1400 2023-10-18 15:21 0.24 N/A Visual Visual
21 alf Ori OME 2460236.6354 2023-10-19 03:15 0.45 N/A Visual Visual
22 alf Ori MQA 2460236.5060 2023-10-19 00:08 0.2 N/A Visual Visual
23 alf Ori PGD 2460236.9450 2023-10-19 10:40 -3.110 0.007 J NIR 1.2micron PEP
24 alf Ori PGD 2460236.9450 2023-10-19 10:40 -3.899 0.011 H NIR 1.6micron PEP
25 alf Ori OME 2460237.6389 2023-10-20 03:20 0.5 N/A Visual Visual