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(IAAC) OBJECT: M93 (Open Cluster)INST: 80mm APO f/6 f.l.=480mm

Date and UT of observation: 12/30/97 07:30 GMT
Location & latitude: Cancun, Mexico
Site classification: Urban/Suburban
Limiting magnitude (visual): 4.6 zenith (est) 4.5 (est) in vicinity of object
Seeing (1 to 10 - worst-best):  unknown - 5?
Moon up (phase?): No
Weather: Clear to pt. cloudy
Instrument: 80mm APO refractor f/6 - f/l 480mm
Magnifications: 16x,69x
Filters used: none
Object: M93
Constellation: Puppis
Object data: Open cluster
Size(s):  about 1 deg.
Position: RA 7:45  DEC  -23:51
Magnitude: 6.2
Personal Rating (for this aperture): B

This is a mid-size cluster, smaller than M41, and much tighter. Easily
picked up in 8x32 binoculars, where it looks small, and only partially
resolved..  much more resolution on nearby M41 in binocs.

In the scope: Uniform, medium bright stars, fairly dense, looking
particularly tight at low power.  It was best at 69x, though, and
appeared to be a swarm of stars elongated (approx.) SW to NE with
somewhat of a pear shape, the round, heavy-weight part of the cluster
down towards the SW.


Thanks!

- Todd
___________________________
Boston Meteorologist Todd Gross
toddg@weatherman.com
http://www.weatherman.com


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