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(IAAC) OBS M51 4.1" f/4.5 (Lew Gramer, latitude 42o)



Observer: Lew Gramer
Your skills: Intermediate
Date and UT of observation: May 17 03:00UT
Location: Sheepsfold, MA, USA (42.4oN, 71.1oW)
Site classification: suburban
Limiting magnitude (visual): 5.1
Seeing (from 1 to 5): 4
moon up/phase: down
Instrument: 4.1" f/4.5 Edmund AstroScan 2001
Magnification: 16x
Filters used: none
Object: M51
Category:Galaxy (spiral)
Constellation: CVn (Canes Venatice)
Object diameter: ?
RA/DE: 13:29 +47o18
Description: Object difficult to impossible to find
with this instrument under these conditions. Possible
identification of galaxy center made, but the companion
galaxy "smudge" was not visible (which made a definite
confirmation impossible.) Worth a try in darker skies,
perhaps. (Certainly visible from this site in 12.5".)
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Karen Simmons & Lew Gramer dedalus@alum.mit.edu http://www.tiac.net/users/lewkaren
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