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(IAAC) Obj: Mel 111 (Coma Berenices) - Inst: 7x50 handheld binoculars



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Observer: Lew Gramer
Your skills: Intermediate (some years)
Date/time of observation: 1998-01-01/02 09:00-12:00UT
Location of site: Deerfield Township, OH, USA (Lat 41oN, Elev 100m)
Site classification: Rural
Sky darkness: 6.8-5.5 (twilight) <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 7x50 handheld binoculars
Magnification: 7x
Filter(s): None
Object(s): Mel 111 (Coma Berenices)
Category: Open cluster
Class: II 3p / III 3r
Constellation: Com
Data: mag 1.8  size 4.5o
Position: RA 12:25  DEC +26:00
Description:
From the beginning of my session until twilight grew too heavy,
I continued to check in periodically with the Coma open cluster.
This glorious binocular sight showed about 30 individual members
at first, but gradually faded of course during morning's advance.
Despite the many fainter members however, the familiar naked-eye
"lambda" pattern of bright stars was still prominent from dark
until well into dawn. At all contrasts however, the area just S
and W of the center of the lambda was curiously empty of stars...
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