(IAAC) Object: M5, Instrument: 16" Dob
Observer: Todd Gross
Your skill: Intermediate +
Date and UT of observation: 1/26/97 (1/26/97 0900GMT)
Location & latitude: 22 miles west of Boston, Ma. 42.3N
Site classification: Suburban
Limiting magnitude (visual): 4.3 (estimated), 4.3 (est) in vicinity of object
Seeing (1 to 5 - best to worst): 3
Moon up (phase?): Yes, 85% illuminated!
Instrument: f/4.59 16" Dob, focal length 1839mm, excellent optics, 96-99%
coatings, 3.1" secondary
Magnification: 175x, 204x
Filters used: none
Although the moon was on the other side of the sky, it was nearly full. The
importance of this observation, is that even with a limiting magnitude of
around 4, large scopes, can greatly resolve Globulars.
Completely resolved except in the background core. Individuals clearly seen
in the core's foreground with direct vision, yielding a 3-D like images.
Fairly symetrical. Beautiful. Just as good at 202x, with color noted on some
stars. Very impressive considering nearly full moon on the other side of the
sky still high up.
Thanks! - Todd
BOSTON TV METEOROLOGIST TODD GROSS
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