Search Data

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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

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 523 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	XZ Tau	DEY	2458434.5944	2018-11-12 02:15	12.236	0.005	Cousins R	CCD
2	HL Tau	DEY	2458434.5944	2018-11-12 02:15	13.703	0.016	Cousins R	CCD
3	HL Tau	DEY	2458434.5907	2018-11-12 02:10	14.781	0.045	Johnson V	CCD
4	XZ Tau	DEY	2458434.5907	2018-11-12 02:10	13.467	0.014	Johnson V	CCD
5	XZ Tau	DEY	2458434.5887	2018-11-12 02:07	10.900	0.006	Cousins I	CCD
6	HL Tau	DEY	2458434.5887	2018-11-12 02:07	12.694	0.019	Cousins I	CCD
7	HL Tau	FJAA	2458434.4485	2018-11-11 22:45	14.934	0.078	Johnson V	CCD
8	XZ Tau	FJAA	2458434.4485	2018-11-11 22:45	13.382	0.024	Johnson V	CCD
9	XZ Tau	VMAG	2458434.4173	2018-11-11 22:00	14.273	0.03	Johnson B	CCD
10	XZ Tau	VMAG	2458434.4160	2018-11-11 21:58	13.313	0.02	Johnson V	CCD
11	XZ Tau	VMAG	2458434.4150	2018-11-11 21:57	12.188	0.02	Cousins R	CCD
12	XZ Tau	VMAG	2458434.4142	2018-11-11 21:56	10.802	0.03	Cousins I	CCD
13	XZ Tau	YBA	2458434.2599	2018-11-11 18:14	10.646	0.063	Cousins I	CCD
14	HL Tau	YBA	2458434.2599	2018-11-11 18:14	12.703	0.063	Cousins I	CCD
15	XZ Tau	YBA	2458434.2583	2018-11-11 18:11	11.910	0.027	Cousins R	CCD
16	HL Tau	YBA	2458434.2583	2018-11-11 18:11	13.735	0.028	Cousins R	CCD
17	HL Tau	YBA	2458434.2568	2018-11-11 18:09	14.689	0.015	Johnson V	CCD
18	XZ Tau	YBA	2458434.2568	2018-11-11 18:09	12.955	0.004	Johnson V	CCD
19	HL Tau	YBA	2458434.2552	2018-11-11 18:07	16.147	0.119	Johnson B	CCD
20	XZ Tau	YBA	2458434.2552	2018-11-11 18:07	14.273	0.023	Johnson B	CCD
21	XZ Tau	PALE	2458433.7531	2018-11-11 06:04	11.915	0.050	Cousins R	CCD
22	HL Tau	PALE	2458433.7531	2018-11-11 06:04	13.678	0.051	Cousins R	CCD
23	XZ Tau	PALE	2458433.7495	2018-11-11 05:59	12.931	0.008	Johnson V	CCD
24	HL Tau	PALE	2458433.7495	2018-11-11 05:59	14.703	0.023	Johnson V	CCD
25	XZ Tau	PALE	2458433.7459	2018-11-11 05:54	13.904	0.010	Johnson B	CCD