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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 29 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 XX Cam BRJ 2456397.5000 2013-04-15 00:00 7.6 N/A Visual Visual
2 CI Cam BRJ 2456397.5000 2013-04-15 00:00 11.3 N/A Visual Visual
3 U Mon BRJ 2456397.5000 2013-04-15 00:00 5.6 N/A Visual Visual
4 R Leo BRJ 2456397.5000 2013-04-15 00:00 7.9 N/A Visual Visual
5 Z UMa BRJ 2456397.5000 2013-04-15 00:00 8.9 N/A Visual Visual
6 V778 CYG MPR 2456397.5000 2013-04-15 00:00 11.0 N/A Visual Visual
7 U BOO MEV 2456397.5000 2013-04-15 00:00 10.80 0.05 Tri-Color Green CCD
8 R TRI MOW 2456397.5000 2013-04-15 00:00 6.1 N/A Visual Visual
9 SS CEP MOW 2456397.5000 2013-04-15 00:00 7.1 N/A Visual Visual
10 ALF ORI MOW 2456397.5000 2013-04-15 00:00 0.9 N/A Visual Visual
11 U ORI MOW 2456397.5000 2013-04-15 00:00 6.4 N/A Visual Visual
12 ETA GEM MOW 2456397.5000 2013-04-15 00:00 3.5 N/A Visual Visual
13 UU AUR MOW 2456397.5000 2013-04-15 00:00 5.9 N/A Visual Visual
14 X CNC MOW 2456397.5000 2013-04-15 00:00 6.7 N/A Visual Visual
15 RS CNC MOW 2456397.5000 2013-04-15 00:00 6.5 N/A Visual Visual
16 U HYA MOW 2456397.5000 2013-04-15 00:00 5.9 N/A Visual Visual
17 ST UMA MOW 2456397.5000 2013-04-15 00:00 7.0 N/A Visual Visual
18 RY UMA MOW 2456397.5000 2013-04-15 00:00 7.8 N/A Visual Visual
19 Y CVN MOW 2456397.5000 2013-04-15 00:00 5.5 N/A Visual Visual
20 RY DRA MOW 2456397.5000 2013-04-15 00:00 7.3 N/A Visual Visual
21 V CVN MOW 2456397.5000 2013-04-15 00:00 7.5 N/A Visual Visual
22 KHI CYG REP 2456397.5000 2013-04-15 00:00 5.4 N/A Visual Visual
23 R BOO VED 2456397.5000 2013-04-15 00:00 7.5 N/A Visual Visual
24 R LMI VED 2456397.5000 2013-04-15 00:00 8.1 N/A Visual Visual
25 S HER VED 2456397.5000 2013-04-15 00:00 8.3 N/A Visual Visual