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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 200 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R CEN ACN 2456022.5139 2012-04-05 00:20 7.0 N/A Visual Visual
2 R CEN FBN 2456025.2986 2012-04-07 19:09 6.8 N/A Visual Visual
3 R Cen JPM 2456028.3090 2012-04-10 19:25 6.9 N/A Visual Visual
4 R CEN PAW 2456029.9361 2012-04-12 10:27 6.9 N/A Visual Visual
5 R CEN PAW 2456041.0757 2012-04-23 13:48 6.5 N/A Visual Visual
6 R CEN LDRA 2456045.9931 2012-04-28 11:50 5.9 N/A Visual Visual
7 R CEN AAX 2456022.5708 2012-04-05 01:41 7.5 N/A Visual Visual
8 R CEN AAX 2456034.4896 2012-04-16 23:45 7.1 N/A Visual Visual
9 R CEN AAX 2456047.5514 2012-04-30 01:14 6.7 N/A Visual Visual
10 R CEN LDRA 2456048.9375 2012-05-01 10:30 6.3 N/A Visual Visual
11 R CEN DSI 2456028.0361 2012-04-10 12:51 8.92 0.01 Johnson B CCD
12 R CEN DSI 2456028.0361 2012-04-10 12:51 6.92 0.01 Johnson V CCD
13 R CEN DSI 2456028.0361 2012-04-10 12:51 5.07 0.01 Cousins R CCD
14 R CEN DSI 2456028.0361 2012-04-10 12:51 3.08 0.02 Cousins I CCD
15 R CEN DSI 2456043.0153 2012-04-25 12:22 8.39 0.02 Johnson B CCD
16 R CEN DSI 2456043.0153 2012-04-25 12:22 6.41 0.01 Johnson V CCD
17 R CEN DSI 2456043.0153 2012-04-25 12:22 4.73 0.01 Cousins R CCD
18 R CEN DSI 2456043.0153 2012-04-25 12:22 2.88 0.01 Cousins I CCD
19 R CEN LDRA 2456053.8583 2012-05-06 08:35 6.2 N/A Visual Visual
20 R CEN PAW 2456057.9514 2012-05-10 10:50 6.1 N/A Visual Visual
21 R CEN CMQ 2456055.8646 2012-05-08 08:44 5.9 N/A Visual Visual
22 R CEN LDRA 2456061.9792 2012-05-14 11:30 6.3 N/A Visual Visual
23 R CEN PAW 2456066.8986 2012-05-19 09:33 5.5 N/A Visual Visual
24 R CEN DSI 2456060.9403 2012-05-13 10:34 8.11 0.01 Johnson B CCD
25 R CEN DSI 2456060.9403 2012-05-13 10:34 6.08 0.01 Johnson V CCD