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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 347 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 ASASSN-19ct RTH 2460433.6317 2024-05-03 03:09 17.451 0.018 Johnson V CCD
2 ASASSN-19ct RTH 2460434.6560 2024-05-04 03:44 17.483 0.013 Johnson V CCD
3 ASASSN-19CT BNK 2460435.0730 2024-05-04 13:45 15.1 N/A Visual Visual
4 ASASSN-19ct NLX 2460436.0625 2024-05-05 13:29 17.22 0.07 Johnson V CCD
5 ASASSN-19ct RTH 2460436.6180 2024-05-06 02:49 17.550 0.026 Johnson V CCD
6 ASASSN-19ct NLX 2460437.0546 2024-05-06 13:18 18.0 0.16 Johnson V CCD
7 ASASSN-19CT MGW 2460437.8571 2024-05-07 08:34 17.413 0.025 Johnson V CCD
8 ASASSN-19CT MGW 2460437.8550 2024-05-07 08:31 17.399 0.078 Johnson V CCD
9 ASASSN-19ct RTH 2460439.6091 2024-05-09 02:37 17.521 0.0069 Johnson V CCD
10 ASASSN-19CT VJEB 2460440.5011 2024-05-10 00:01 17.591 0.0351 Tri-Color Green CCD
11 ASASSN-19CT VJEB 2460440.5046 2024-05-10 00:06 17.530 0.0250 Tri-Color Green CCD
12 ASASSN-19CT VJEB 2460440.5081 2024-05-10 00:11 17.493 0.0225 Tri-Color Green CCD
13 ASASSN-19CT VJEB 2460440.5116 2024-05-10 00:16 17.432 0.0244 Tri-Color Green CCD
14 ASASSN-19CT VJEB 2460440.5151 2024-05-10 00:21 17.518 0.0250 Tri-Color Green CCD
15 ASASSN-19CT VJEB 2460440.5186 2024-05-10 00:26 17.541 0.0274 Tri-Color Green CCD
16 ASASSN-19CT VJEB 2460440.5220 2024-05-10 00:31 17.538 0.0294 Tri-Color Green CCD
17 ASASSN-19CT VJEB 2460440.5255 2024-05-10 00:36 17.494 0.0247 Tri-Color Green CCD
18 ASASSN-19CT VJEB 2460440.5290 2024-05-10 00:41 17.503 0.0238 Tri-Color Green CCD
19 ASASSN-19CT VJEB 2460440.5325 2024-05-10 00:46 17.469 0.0253 Tri-Color Green CCD
20 ASASSN-19CT VJEB 2460440.5360 2024-05-10 00:51 17.571 0.0253 Tri-Color Green CCD
21 ASASSN-19CT VJEB 2460440.5395 2024-05-10 00:56 17.629 0.0263 Tri-Color Green CCD
22 ASASSN-19CT VJEB 2460440.5430 2024-05-10 01:01 17.577 0.0270 Tri-Color Green CCD
23 ASASSN-19CT VJEB 2460440.5465 2024-05-10 01:06 17.467 0.0270 Tri-Color Green CCD
24 ASASSN-19CT VJEB 2460440.5500 2024-05-10 01:11 17.450 0.0286 Tri-Color Green CCD
25 ASASSN-19CT VJEB 2460440.5535 2024-05-10 01:17 17.430 0.0274 Tri-Color Green CCD