(IAAC) Obj: NGC 3310 - Inst: 17" f/15 classical Cassegrain equatorial mount

Observer: Dave Mitsky
Your skills: Advanced (many years)
Date/time of observation: 2000/6/20 02:47 UT
Location of site: ASH Naylor Observatory, Lewisberry, PA (Lat 40.15 d N, 76.9 d W, Elev 190 meters)
Site classification: Exurban
Sky darkness: ~5.0 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 17" f/15 classical Cassegrain equatorial mount
Magnification: 118, 202, and 259x
Filter(s): none
Object(s): NGC 3310
Category: External galaxy.
Class: SAB(r)bcII
Constellation: Ursa Major
Data: mag 10.8v  size 3.5'x3.2'
Position: RA 10h:35.7m  DEC +53d:30'
NGC 3310 is an irregular galaxy that lies to the southwest of beta Ursae Majoris
and just to the south of a sixth magnitude field star.  A crooked line of 3 
relatively faint field stars is located to the immediate south of NGC 3310.  
This Herschel 400 galaxy appeared circular, with a somewhat brighter nuclear 
region, and was seen without difficulty.  The Herschel 400 manual lists NGC 3310
as being somewhat brighter (10.1 magnitude) and larger (4.0'x3.0') than does _The 
Night Sky Observer's Guide_.
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