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	PALE	2458433.7459	2018-11-11 05:54	13.904	0.010	Johnson B	CCD
2	HL Tau	DEY	2458433.6394	2018-11-11 03:20	12.646	0.007	Cousins I	CCD
3	XZ Tau	DEY	2458433.6394	2018-11-11 03:20	10.515	0.003	Cousins I	CCD
4	XZ Tau	DEY	2458433.5944	2018-11-11 02:15	13.826	0.004	Johnson B	CCD
5	HL Tau	DEY	2458433.5944	2018-11-11 02:15	16.170	0.029	Johnson B	CCD
6	XZ Tau	DEY	2458433.5909	2018-11-11 02:10	12.872	0.002	Johnson V	CCD
7	HL Tau	DEY	2458433.5909	2018-11-11 02:10	14.779	0.008	Johnson V	CCD
8	HL Tau	DEY	2458433.5887	2018-11-11 02:07	13.704	0.006	Cousins R	CCD
9	XZ Tau	DEY	2458433.5887	2018-11-11 02:07	11.773	0.002	Cousins R	CCD
10	XZ Tau	DEY	2458433.5877	2018-11-11 02:06	10.513	0.005	Cousins I	CCD
11	HL Tau	DEY	2458433.5877	2018-11-11 02:06	12.679	0.014	Cousins I	CCD
12	HL Tau	SDM	2458433.5660	2018-11-11 01:35	16.008	0.058	Johnson B	CCD
13	XZ Tau	SDM	2458433.5660	2018-11-11 01:35	13.829	0.047	Johnson B	CCD
14	XZ Tau	SDM	2458433.5625	2018-11-11 01:29	12.861	0.042	Johnson V	CCD
15	HL Tau	SDM	2458433.5625	2018-11-11 01:29	14.814	0.054	Johnson V	CCD
16	HL Tau	BWY	2458432.7938	2018-11-10 07:03	16.231	0.048	Johnson B	CCD
17	XZ Tau	BWY	2458432.7938	2018-11-10 07:03	13.819	0.014	Johnson B	CCD
18	HL Tau	BWY	2458432.7928	2018-11-10 07:01	13.754	0.008	Cousins R	CCD
19	XZ Tau	BWY	2458432.7928	2018-11-10 07:01	11.764	0.010	Cousins R	CCD
20	HL Tau	BWY	2458432.7919	2018-11-10 07:00	12.702	0.009	Cousins I	CCD
21	XZ Tau	BWY	2458432.7919	2018-11-10 07:00	10.559	0.011	Cousins I	CCD
22	HL Tau	BWY	2458432.7914	2018-11-10 06:59	14.676	0.020	Johnson V	CCD
23	XZ Tau	BWY	2458432.7914	2018-11-10 06:59	12.763	0.011	Johnson V	CCD
24	XZ Tau	YBA	2458432.2621	2018-11-09 18:17	10.695	0.168	Cousins I	CCD
25	HL Tau	YBA	2458432.2621	2018-11-09 18:17	12.850	0.168	Cousins I	CCD