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(IAAC) Obj: Blanco 1 - Inst: 5" f/5 achromat (finder scope for 17" classical Cassegrain)



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Observation Poster: Dave Mitsky <djm28@psu.edu>
Observer: Dave Mitsky
Your skills: Advanced (many years)
Date/time of observation: 2001/12/10 00:25 UT
Location of site: ASH Naylor Observatory, Lewisberry, PA, USA (Lat 40.1 N, 76.9 W, Elev 190 meters)
Site classification: Exurban
Sky darkness: ~5.0 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 5" f/5 achromat (finder scope for 17" classical Cassegrain)
Magnification: 20x
Filter(s): None
Object(s): Blanco 1
Category: Open cluster.
Class: Tr Type III 2 m
Constellation: Sculptor
Data: mag 4.5  size 90'
Position: RA 00h:04.3m  DEC -29:56'
Description:
Blanco 1 is a very large open cluster that rides low in the sky for mid-latitude
northern hemisphere observers.  It is a sprawling group of stars, some of which
are rather bright, that has fifth magnitude Zeta Sculptoris as its northwestern
boundary.  To my eyes the brighter stars of the cluster formed a pattern
resembling a trident.  This object is best viewed with rich-field telescopes and
binoculars.
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Optional related URLs: http://www.astrohbg.org
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