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(IAAC) Obj: NGC 5898, NGC 5903, PGC 54644 - Inst: 15" f4,5 Obsession



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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 11 May 05
Location of site: Sangkhlaburi, Thailand (Lat 15.09 N, Elev 200m)
Site classification: Exurban
Sky darkness: 5,8 mag <Limiting magnitude>
Seeing: 10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15" f4,5 Obsession
Magnification: 131x - 342x
Filter(s): 
Object(s): NGC 5898, NGC 5903, PGC 54644
Category: External galaxy.
Class: 
Constellation: Lib
Data: mag various  size various
Position: RA :  DEC :
Description:
Nice group of galaxies within 6 arcmin! NGC 5898 (11,4magv) and 5903 
(11,2magv) appear equally bright with a size of approx. 1,5' each. Both galaxies 
have a bright round center but fail to display a nucleus or stellar core. Fairly high 
surface brightness. NGC 5903 is slightly oval in contrast to the round NGC 5898. 
The faint neighbor galaxy M-4-36-7 (or PGC 54644, 13,5magv) has a fairly bright 
stellar core surrounded by a faint 0,7x0,2'  halo. Easy at 342x. At low magnification 
this galaxy appears almost stellar.
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