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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 818 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RX And HK 2449250.7190 1993-09-20 05:15 11.1 N/A Visual Visual
2 Z Cam HK 2449250.7070 1993-09-20 04:58 12.0 N/A Visual Visual
3 AM Her HK 2449250.7000 1993-09-20 04:48 <13.1 N/A Visual Visual
4 RU Peg HK 2449250.6980 1993-09-20 04:45 <12.5 N/A Visual Visual
5 SS Cyg HK 2449250.6870 1993-09-20 04:29 10.6 N/A Visual Visual
6 RX And BTY 2449250.6660 1993-09-20 03:59 10.8 N/A Visual Visual
7 RU Peg BTY 2449250.6600 1993-09-20 03:50 12.5 N/A Visual Visual
8 SS Cyg BTY 2449250.6570 1993-09-20 03:46 11.6 N/A Visual Visual
9 RX And YRK 2449250.6530 1993-09-20 03:40 10.7 N/A Visual Visual
10 Z Cam SPK 2449250.6500 1993-09-20 03:35 11.5 N/A Visual Visual
11 Z Cam YRK 2449250.6400 1993-09-20 03:21 11.7 N/A Visual Visual
12 RX And DGP 2449250.6400 1993-09-20 03:21 11.1 N/A Visual Visual
13 RU Peg YRK 2449250.6350 1993-09-20 03:14 12.5 N/A Visual Visual
14 RX And SWT 2449250.6350 1993-09-20 03:14 11.0 N/A Visual Visual
15 AM Her YRK 2449250.6280 1993-09-20 03:04 13.2 N/A Visual Visual
16 SS Cyg MRV 2449250.6280 1993-09-20 03:04 11.8 N/A Visual Visual
17 RX And VNL 2449250.6260 1993-09-20 03:01 10.9 N/A Visual Visual
18 RU Peg VNL 2449250.6250 1993-09-20 03:00 12.2 N/A Visual Visual
19 SS Cyg AMT 2449250.6190 1993-09-20 02:51 11.6 N/A Visual Visual
20 RU Peg AMT 2449250.6140 1993-09-20 02:44 12.7 N/A Visual Visual
21 Z Cam JLT 2449250.6130 1993-09-20 02:42 11.5 N/A Visual Visual
22 SS Cyg YRK 2449250.6120 1993-09-20 02:41 11.6 N/A Visual Visual
23 RX And AMT 2449250.6100 1993-09-20 02:38 11.5 N/A Visual Visual
24 Z Cam VNL 2449250.6060 1993-09-20 02:32 11.4 N/A Visual Visual
25 VW Hyi SJX 2449250.6040 1993-09-20 02:29 13.0 N/A Visual Visual