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.

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 7107 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HT CAS OCR 2453529.4958 2005-06-07 23:53 12.8 N/A Visual Visual
2 HT CAS MUY 2453530.4868 2005-06-08 23:40 13.9 N/A Visual Visual
3 HT CAS OCR 2453530.5381 2005-06-09 00:54 12.8 N/A Visual Visual
4 HT CAS PYG 2453530.5600 2005-06-09 01:26 14.3 N/A Visual Visual
5 HT CAS MUY 2453531.4826 2005-06-09 23:34 13.9 N/A Visual Visual
6 HT CAS OCR 2453531.5409 2005-06-10 00:58 13.4 N/A Visual Visual
7 HT CAS OCR 2453533.5368 2005-06-12 00:52 12.8 N/A Visual Visual
8 HT CAS MGE 2453533.5729 2005-06-12 01:44 13.9 N/A Visual Visual
9 HT CAS MUY 2453535.5069 2005-06-14 00:09 13.9 N/A Visual Visual
10 HT CAS OCR 2453535.5409 2005-06-14 00:58 12.8 N/A Visual Visual
11 HT CAS DKS 2453535.8918 2005-06-14 09:24 16.5 N/A Johnson V CCD
12 HT CAS MUY 2453536.4771 2005-06-14 23:27 13.9 N/A Visual Visual
13 HT CAS OCR 2453536.5409 2005-06-15 00:58 13.6 N/A Visual Visual
14 HT CAS OJR 2453536.6208 2005-06-15 02:53 13.9 N/A Visual Visual
15 HT CAS MUY 2453537.4750 2005-06-15 23:24 13.9 N/A Visual Visual
16 HT CAS OJR 2453538.6222 2005-06-17 02:55 13.9 N/A Visual Visual
17 HT CAS MUY 2453540.5014 2005-06-19 00:02 13.9 N/A Visual Visual
18 HT CAS MGE 2453540.5764 2005-06-19 01:50 13.6 N/A Visual Visual
19 HT CAS MUY 2453541.4826 2005-06-19 23:34 13.9 N/A Visual Visual
20 HT CAS ROG 2453541.8000 2005-06-20 07:11 15.1 N/A Visual Visual
21 HT CAS ROG 2453543.8000 2005-06-22 07:11 14.0 N/A Visual Visual
22 HT CAS ROG 2453545.8333 2005-06-24 07:59 13.7 N/A Visual Visual
23 HT CAS CMP 2453546.8333 2005-06-25 07:59 13.6 N/A Visual Visual
24 HT CAS MUY 2453548.4722 2005-06-26 23:19 13.6 N/A Visual Visual
25 HT CAS DDD 2453554.6250 2005-07-03 03:00 14.0 N/A Visual Visual