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(IAAC) Obj: Abell 1656 (Coma Cluster) - Inst: 40" f/5 dob
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Observer: Mark G.Birkmann
Your skills: Intermediate (some years)
Date/time of observation: 3/26/2001
Location of site: New Haven, Missouri (Lat ~38, Elev ~700 feet)
Site classification: Rural
Sky darkness: 5 <1-10 Scale (10 best)>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 40" f/5 dob
Magnification: 167x with 30mm ziess, 80 degree afv
Filter(s): none
Object(s): Abell 1656 (Coma Cluster)
Category: Cluster of galaxies.
Class:
Constellation: Coma
Data: mag size
Position: RA ~13h: DEC ~+28degrees:
Description:
This dense galaxy cluster is very easy to find about 3 degrees west of beta
(43) Com. It is roughly centered on ngc 4889. I did not make a count of
the galaxies visible, but there were at least a dozen small, bright,
galaxies in the field of view at any given time as we scanned the area.
After spending the last few years concentrating mainly on face on Sc
galaxies and pns, this was an exciting change of pace. If you haven't seen
this one take a look, it's one I will definitely visit again.
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Optional related URLs: http://www.fortunecity.com/greenfield/twyford/637/drawings.htm
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