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(IAAC) Obj: Upgren 1 - Inst: Vixen 9x63 binoculars
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Observation Poster: Stéphane Meloche <stephanemeloche@videotron.ca>
Observer: Stéphane Meloche
Your skills: Intermediate (some years)
Date/time of observation: 2007/04/21 4h35 UT
Location of site: Ste-Catherine-de-Hatley, Québec, Canada (Lat 45.4542°, Elev 316 m)
Site classification: Suburban
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): Upgren 1
Category: Open cluster.
Class:
Constellation: CVn
Data: mag size 15'
Position: RA 12:35 DEC 36:18
Description:
In Canes Venatici, at ~ 4½° SW of Cor Caroli. Although Upgren 1 is indexed like
an opened cluster, it seems a asterism rather and would appear well among
Collinder objects by the aspect. It forms a reversed “L” and I count 5 stars (HD
109462, TYC 2530-2251-1, HD 109542, HD 109530 and TYC 2530-1911-1). Among those,
2 are very bright , 2 of average brightness and a last of low brightness,
visible only with averted vision which is, in fact, TYC 2530-1911-1. All the
stars are white.
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