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Search Data

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.

Target(s)

Enter list of star names, comma separated.

Start Date

Enter a date in natural language, jd, or utc format.

End Date

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Filters

Observation Types

Observer

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 1838 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	BP Tau	CCHD	2459926.5854	2022-12-13 02:02	12.080	0.015	Johnson V	CCD
2	BP Tau	BPEC	2459926.5845	2022-12-13 02:01	10.329	0.020	Cousins I	CCD
3	BP Tau	CCHD	2459926.5842	2022-12-13 02:01	13.105	0.021	Johnson B	CCD
4	BP Tau	BPEC	2459926.5821	2022-12-13 01:58	11.112	0.016	Cousins R	CCD
5	BP Tau	BPEC	2459926.5796	2022-12-13 01:54	12.074	0.009	Johnson V	CCD
6	BP Tau	BPEC	2459926.5757	2022-12-13 01:48	13.052	0.010	Johnson B	CCD
7	BP Tau	BPEC	2459926.5470	2022-12-13 01:07	10.303	0.021	Cousins I	CCD
8	BP Tau	BPEC	2459926.5446	2022-12-13 01:04	11.115	0.016	Cousins R	CCD
9	BP Tau	BPEC	2459926.5421	2022-12-13 01:00	12.039	0.008	Johnson V	CCD
10	BP Tau	BPEC	2459926.5382	2022-12-13 00:54	13.027	0.009	Johnson B	CCD
11	BP Tau	BPEC	2459926.5077	2022-12-13 00:11	10.283	0.021	Cousins I	CCD
12	BP Tau	BPEC	2459926.5053	2022-12-13 00:07	11.062	0.017	Cousins R	CCD
13	BP Tau	BPEC	2459926.5028	2022-12-13 00:04	12.002	0.009	Johnson V	CCD