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Search Data

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: Alert Notice 660: Targets modified for LPV Maser campaign.
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 4565 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 W Cep GGU 2458787.3764 2019-10-30 21:02 7.4 N/A Visual Visual
2 R Cyg WUB 2458787.3000 2019-10-30 19:11 10.9 N/A Visual Visual
3 R Cas HOO 2458787.2500 2019-10-30 18:00 7.0 N/A Visual Visual
4 R Cas VFK 2458787.2361 2019-10-30 17:39 7.0 N/A Visual Visual
5 R Cyg GGU 2458786.3597 2019-10-29 20:37 9.4 N/A Visual Visual
6 R Cas DHEB 2458786.3410 2019-10-29 20:10 7.0 N/A Visual Visual
7 R Cas MJAN 2458786.3345 2019-10-29 20:01 6.95 N/A Visual Visual
8 R Cyg NJO 2458786.3000 2019-10-29 19:11 10.2 N/A Visual Visual
9 AU Cyg ACO 2458786.2931 2019-10-29 19:02 13.3 N/A Visual Visual
10 RT Aql BYF 2458786.2639 2019-10-29 18:20 11.4 N/A Visual Visual
11 R Cas VFK 2458786.2354 2019-10-29 17:38 7.0 N/A Visual Visual
12 W Cep VFK 2458786.2354 2019-10-29 17:38 7.6 N/A Visual Visual
13 AL Cep DERA 2458785.6829 2019-10-29 04:23 9.334 0.015 Cousins I CCD
14 AL Cep DERA 2458785.6823 2019-10-29 04:22 12.161 0.009 Cousins R CCD
15 AL Cep DERA 2458785.6797 2019-10-29 04:18 15.091 0.010 Johnson V CCD
16 R Cyg MHH 2458785.5470 2019-10-29 01:07 10.7 N/A Visual Visual
17 R Cyg ACO 2458785.3215 2019-10-28 19:42 10.4 N/A Visual Visual
18 SX Cyg ACO 2458785.3139 2019-10-28 19:32 13.1 N/A Visual Visual
19 R Cas DNO 2458785.3076 2019-10-28 19:22 7.2 N/A Visual Visual
20 R Vul ACO 2458785.2868 2019-10-28 18:52 13.5 N/A Visual Visual
21 W Cep VFK 2458785.2819 2019-10-28 18:45 7.6 N/A Visual Visual
22 R Cas MMH 2458785.2806 2019-10-28 18:44 6.7 N/A Visual Visual
23 RT Aql SYRA 2458785.2708 2019-10-28 18:29 10.85 0.01 CV DSLR
24 R Cas ACO 2458785.2701 2019-10-28 18:28 7.1 N/A Visual Visual
25 R Cas VFK 2458785.2563 2019-10-28 18:09 7.0 N/A Visual Visual