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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.
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Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 181402 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R EQU WSN 2455859.5000 2011-10-25 00:00 14.5 N/A Visual Visual
2 SY HER HAB 2455859.5000 2011-10-25 00:00 9.7 N/A Visual Visual
3 RS HER HAB 2455859.5000 2011-10-25 00:00 9.1 N/A Visual Visual
4 RY OPH HAB 2455859.5000 2011-10-25 00:00 8.8 N/A Visual Visual
5 RY SGR MOW 2455859.5000 2011-10-25 00:00 6.2 N/A Visual Visual
6 U CYG MOW 2455859.5000 2011-10-25 00:00 10.4 N/A Visual Visual
7 R AQR MOW 2455859.5000 2011-10-25 00:00 10.7 N/A Visual Visual
8 GY AQL LZT 2455859.5000 2011-10-25 00:00 8.9 N/A Visual Visual
9 R MIC LZT 2455859.5000 2011-10-25 00:00 9.9 N/A Visual Visual
10 V CAP LZT 2455859.5000 2011-10-25 00:00 10.5 N/A Visual Visual
11 RR AND KLO 2455859.5028 2011-10-25 00:04 9.5 N/A Visual Visual
12 VW VUL DKS 2455859.5032 2011-10-25 00:04 15.38 0.05 Johnson V CCD
13 V0511 VUL DKS 2455859.5032 2011-10-25 00:04 12.762 0.005 Johnson V CCD
14 CD Ind HMB 2455859.5034 2011-10-25 00:04 18.534 0.190 Unfiltered with V Zeropoint CCD
15 R AQL KMA 2455859.5056 2011-10-25 00:08 6.7 N/A Visual Visual
16 CD Ind HMB 2455859.5064 2011-10-25 00:09 18.589 0.163 Unfiltered with V Zeropoint CCD
17 FY VUL DKS 2455859.5090 2011-10-25 00:12 14.52 0.03 Johnson V CCD
18 CD Ind HMB 2455859.5094 2011-10-25 00:13 18.467 0.151 Unfiltered with V Zeropoint CCD
19 NSV 11655 BEB 2455859.5104 2011-10-25 00:15 4.1 N/A Visual Visual
20 SV DRA KMA 2455859.5111 2011-10-25 00:15 12.9 N/A Visual Visual
21 RV AND SLH 2455859.5118 2011-10-25 00:17 9.9 N/A Visual Visual
22 CD Ind HMB 2455859.5124 2011-10-25 00:17 18.319 0.154 Unfiltered with V Zeropoint CCD
23 MQ CAS KMA 2455859.5139 2011-10-25 00:20 13.8 N/A Visual Visual
24 SS CYG SLH 2455859.5153 2011-10-25 00:22 12.1 N/A Visual Visual
25 SS CAS KMA 2455859.5153 2011-10-25 00:22 13.0 N/A Visual Visual