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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

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End Date

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Filters

Observation Types

Observer

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Campaign

Campaign overrides targets and dates.

Found 1838 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	BP Tau	BPEC	2459943.5669	2022-12-30 01:36	10.453	0.021	Cousins I	CCD
2	BP Tau	BPEC	2459943.5645	2022-12-30 01:32	11.226	0.016	Cousins R	CCD
3	BP Tau	BPEC	2459943.5619	2022-12-30 01:29	12.185	0.010	Johnson V	CCD
4	BP Tau	BPEC	2459943.5580	2022-12-30 01:23	13.090	0.013	Johnson B	CCD
5	BP Tau	BPEC	2459943.5216	2022-12-30 00:31	10.447	0.020	Cousins I	CCD
6	BP Tau	BPEC	2459943.5191	2022-12-30 00:27	11.244	0.016	Cousins R	CCD
7	BP Tau	BPEC	2459943.5166	2022-12-30 00:23	12.173	0.009	Johnson V	CCD
8	BP Tau	BPEC	2459943.5127	2022-12-30 00:18	13.101	0.010	Johnson B	CCD
9	BP Tau	MJZ	2459943.3340	2022-12-29 20:00	12.3	N/A	Visual	Visual
10	BP Tau	PEX	2459943.0502	2022-12-29 13:12	10.191	0.012	Cousins I	CCD
11	BP Tau	PEX	2459943.0496	2022-12-29 13:11	11.207	0.007	Cousins R	CCD
12	BP Tau	PEX	2459943.0488	2022-12-29 13:10	12.140	0.011	Johnson V	CCD
13	BP Tau	PEX	2459943.0469	2022-12-29 13:07	10.357	0.012	Cousins I	CCD
14	BP Tau	PEX	2459943.0463	2022-12-29 13:06	11.114	0.009	Cousins R	CCD
15	BP Tau	MJZ	2459942.4062	2022-12-28 21:44	12.3	N/A	Visual	Visual
16	BP Tau	PEX	2459942.1331	2022-12-28 15:11	11.886	0.010	Johnson V	CCD
17	BP Tau	PEX	2459942.1319	2022-12-28 15:09	12.944	0.051	Johnson B	CCD
18	BP Tau	BPEC	2459941.5648	2022-12-28 01:33	10.424	0.025	Cousins I	CCD
19	BP Tau	BPEC	2459941.5623	2022-12-28 01:29	11.238	0.016	Cousins R	CCD
20	BP Tau	BPEC	2459941.5598	2022-12-28 01:26	12.148	0.013	Johnson V	CCD
21	BP Tau	BPEC	2459941.5559	2022-12-28 01:20	13.185	0.009	Johnson B	CCD
22	BP Tau	BPEC	2459941.5293	2022-12-28 00:42	10.420	0.021	Cousins I	CCD
23	BP Tau	BPEC	2459941.5269	2022-12-28 00:38	11.236	0.017	Cousins R	CCD
24	BP Tau	BPEC	2459941.5243	2022-12-28 00:35	12.192	0.008	Johnson V	CCD
25	BP Tau	BPEC	2459941.5204	2022-12-28 00:29	13.183	0.010	Johnson B	CCD