(IAAC) Obj: NGC 6946 - Inst: 30" f/4 dob, 13" f/4.5 dob


Observer: Mark Birkmann
Your skills: Intermediate (some years)
Date/time of observation: 7/9/99, 7:00 UT
Location of site: New Haven, Missouri (Lat N 38, Elev ~700')
Site classification: Rural
Sky darkness: 5 <1-10 Scale (10 best)>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 30" f/4 dob, 13" f/4.5 dob
Magnification: 150x-540x
Object(s): NGC 6946
Category: External galaxy.
Class: Sc
Constellation: Cepheus
Data: mag 9.6b  size 11.6'x9.8
Position: RA 20h:34m 52s  DEC +60:09' 15"
Moderately bright with slightly brighter central condensation.  This is a type
Sc galaxy but it had the appearance of a barred spiral with a stubby arm coming
off each end of the bar.  The upper (sorry, I once again forgot to write in my
notes where north was - hopefully the scanned drawing will help) arm was split
into two amaller arms.  These observations were not immediately obvious on this
night.  However, I noted that this structure was obvious while observing from a
dark sky site with a 13" dob 7/27/90.
Optional related URLs: http://www.usmo.com/~deepsky/astrobonw.htm
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