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(IAAC) Obj: Collinder 107 - Inst: Astroscan 4,1" f440mm Widefield



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Observer: Martin Baur
Your skills: Intermediate (some years)
Date/time of observation: 11.02.2000 22:00 MET
Location of site: clearing near Hofgeismar, Germany (Lat +51, Elev 820ft)
Site classification: Exurban
Sky darkness: >5 <Limiting magnitude>
Seeing: good <I-V Seeing Scale (I best)>
Moon presence: Minor - crescent or far from object
Instrument: Astroscan 4,1" f440mm Widefield
Magnification: 16x 26x
Filter(s): None
Object(s): Collinder 107
Category: Open cluster.
Class: IV 3 p
Constellation: Mon
Data: mag 5,1  size 35'
Position: RA 06:37.7  DEC +04:45
Description:
In my opinion very doubtful. The position is easy to find beside NGC 2244.
But if I wouldn't know that this is a cluster, I wouldn't recognize it as
that. I saw a few bright stars in a quiet large area which are placed to
three different points. Thus they form a triangle. In the middle of the
triangle is a gap without any stars. With larger scopes and more fainter
stars the triangle may form a ring. Therefore I would describe the cluster
as very decentralized.
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