(IAAC) Obj: NGC 7009 (Saturn Nebula), M2 - Inst: 4.5" f/8 equatorial newtonian

Observer: Erhan Ozturk
Your skills: Beginner (< one year)
Date/time of observation: 23th Sept 1999  17:45-19:10 (UT)
Location of site: Ankara (Lat 40N, Elev 1000m)
Site classification: Suburban
Sky darkness: 3.7 <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: 36,50,100,152
Filter(s): None
Object(s): NGC 7009 (Saturn Nebula), M2
Category: Globular cluster. Planetary nebula.
Constellation: Aqr
Data: mag   size 
Position: RA :  DEC :
NGC 7009 is seen as a star at x36. With x50, it is seen as a very small disk.
With higher magnifications, it is seen as a disk with a quite high surface
brightness. No enongation is seen.
M2 is seen as a small disk with low magnification. Its surface brightness is
high but it is smaller than other popular globulars. It seems to be a dense
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