(IAAC) Obj: M18 - Inst: Celestar 8" SCT, fork mount


Observation Poster: William L. Schart <wschart@hot.rr.com>

Observer: William L. Schart
Your skills: Intermediate (some years)
Date/time of observation: 7/21/01 10:55 pm CDT
Location of site: Killeen, TX (Lat 31 07, Elev 600 ft)
Site classification: Suburban
Sky darkness: 4 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Celestar 8" SCT, fork mount
Magnification: 58x, 80x, 120x, 170x, 203x
Filter(s): none
Object(s): M18
Category: Open cluster.
Constellation: Ser
Data: mag   size 
Position: RA :  DEC :
A nice open cluster. The primary structure is 2 lines of stars leading into a trapezoid of 4 stars with some others stars around this. I count about 20 stars. This is in the midst of quite a field of stars, so it is rather hard to decide where the cluster leaves off and field stars start.
Optional related URLs: http://home.hot.rr.com/wschart/
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