(IAAC) Obj: M80, M19, M62, M21 - Inst: 4.5" f/8 Equatorial Newtonian


Observer: Erhan Ozturk
Your skills: Beginner (< one year)
Date/time of observation: 9th June 1999 18:30-20:15(UT)
Location of site: Ankara/Turkey (Lat 40N, Elev 1000m)
Site classification: Suburban
Sky darkness: 3.5 <Limiting magnitude>
Seeing: 3 <10-1 Seeing Scale (1 best)>
Moon presence: Minor - crescent or far from object
Instrument: 4.5" f/8 Equatorial Newtonian
Magnification: 36x,72x(with Barlow)
Filter(s): None
Object(s): M80, M19, M62, M21
Category: Open cluster. Globular cluster.
Constellation: Sco, Oph, Sgr
Data: mag   size 
Position: RA :  DEC :
M80: It is brighter and more prominent than I expected. It cannot be resolved.
The center region is brighter than the outer regions. It has a pretty high 
surface brightness.
M19: Brighter in the center and a faint halo is visible. No resolution. High
surface brighness. Like M80, M19 does not give new detail in 72x.
M62: The surface brightness is lower than M80 or M19 but it is still higher
than that of M4. Fuzzy and its center is somewhat brighter. No resolution.
M21: A loose cluster. About a dozen stars are counted.
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