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(IAAC) OBJ: NGC2403 (galaxy) INST: 14.5" NEWT fl=1580mm
Observer: Todd Gross
Your skill: Intermediate - Many years
Date and UT of observation: 11/06/00 08:00GMT
Location & latitude: 22 mi. West of Boston, Ma. 42.3N
Site classification: Suburban
Limiting magnitude (visual): approx. 4.9 zenith, 4.9 vic.object
Seeing (1 to 10 - worst-best): 4
Moon up (phase?): Just set
Weather: Clear
Instrument: 14.5" f/4.29 fl=1580mm Newt
Magnifications: Various from 83-191X Including binoviewer
Filters used: None
Object: NGC2403
Constellation: CAM
Object data: G-Sc
Size(s): 22x12'
Position: 07:37RA, +65:36DEC
Magnitude: 8.5
Personal "rating" this aperture: B-
The odd glow is best at medium power in this aperture,
about 100x. Shaped roughly like a cumulus cloud (without the lumps)
, I can tell much more detail would be discerned at a darker site.
Running along the base, horizontally, of this galaxy are
three stars, slightly staggered, the two furthest apart, being the
brightest, and in-line. It gives the galaxy character. It is
minimally brighter at the center, and with time I was
able to make out one of the broad spiral arms seemingly arcing out
away from the string of stars, perpendicularly , then around counter
clockwise. Interesting and pretty, but not well defined in these
conditions. The stars looked better at 191X, but the galaxy definitely
looked best between 83x and 130x... more punch. I did not make out
it's full 22' size in the light pollution.
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