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(IAAC) Obj: SAO 93909 + SAO 93911 - Inst: Vixen 9x63 binoculars
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: SAO 93909 + SAO 93911 - Inst: Vixen 9x63 binoculars
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From: anonymous@sedna.atmob.org
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Date: 16 Jan 2006 00:30:43 -0500
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Delivered-To: 9-netastrocatalog@visualdeepsky.org
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Observation Poster: Stéphane Meloche <stephanemeloche@videotron.ca>
Observer: Stéphane Meloche
Your skills: Intermediate (some years)
Date/time of observation: 2006/01/04 6h25 UT
Location of site: Coaticook (Qc), Canada (Lat , Elev )
Site classification: Exurban
Sky darkness: 5,2 <Limiting magnitude>
Seeing: <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Vixen 9x63 binoculars
Magnification:
Filter(s):
Object(s): SAO 93909 + SAO 93911
Category: Multiple star.
Class:
Constellation: Tau
Data: mag 8.5 + 8.8 size
Position: RA 04:25 DEC 16:24
Description:
At ~ ¼ ° SE of 70 Tau, located almost halfway between 63 Tau and 70 Tau, members of the Hyades. This double star was not on my list and I discovered it by chance while carrying out the star counting in the Hyades. The components are roughly of the same brightness. Their weak luminosity prevents me from determining their color. I used the Smithsonian Astrophysical Observatory catalog designations because, with my very great surprise, this double star does not appeared in the main double star catalogues, which would be a case of extremely rare exception. In order to identify this double star correctly, I make several research in literature (Burnham's, Webb Society Handbooks), astronomy software (I use mainly The Sky) and on the Web. I made several query on SIMBAD, and still here, this double does not seem to be noticed. I made a last research on an excellent reference which I have used for a few years for double stars, the Washington Double Star catalog (WDS), and nothing at the co-ordinates of this double star. B. Skiff confirms me that this double star is too large in separation, for a 8 - 8.5 double star, to appear in old catalogs and it remain a binocular object
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