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HD 21801


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Mesures d'etoiles doubles faites a Nice (5eme serie. Double star measurements made at Nice
We present the last observations from two lists: General program and MLRpairs, made with the 50~cm refractor of Nice Observatory.

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Observation and Astrometry data

Constellation:Girafe
Right ascension:03h33m59.02s
Declination:+60°24'31.9"
Apparent magnitude:9.304
Proper motion RA:4.9
Proper motion Dec:-19.9
B-T magnitude:9.624
V-T magnitude:9.331

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 21801
TYCHO-2 2000TYC 4062-1425-1
USNO-A2.0USNO-A2 1500-03226982
HIPHIP 16630
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