(IAAC) Obj: NGC 5754, NGC 5752, NGC 5755, NGC 5753 - Inst: 15" f4.5 Obsession

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• Subject: (IAAC) Obj: NGC 5754, NGC 5752, NGC 5755, NGC 5753 - Inst: 15" f4.5 Obsession
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• Date: 20 May 2008 22:09:08 -0400
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Observation Poster: Armin Herm,ann <burmeseinn@yahoo.com>

Observer: Armin Herm,ann
Your skills: Advanced (many years)
Date/time of observation: 09 May 2008
Location of site: Sangkhlaburi / Thailand (Lat +15, Elev 200)
Site classification: Exurban
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 9 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15" f4.5 Obsession
Magnification: 131 and 342x
Filter(s): non
Object(s): NGC 5754, NGC 5752, NGC 5755, NGC 5753
Category: External galaxy.
Class: 
Constellation: Boo
Data: mag   size 
Position: RA 14:45  DEC +39:
Description:
Interesting group of galaxies with the interacting pair NGC 5754/52 at 60 Mpc 
distance and NGC 5753 and 5755 being in the background at over 120 Mpc. At 
131x the brightest member NGC 5754 (13.1mag) and its companion (14.1mag) are 
easily visible. NGC 5754 shows a small distinct core with a faint and extended 
halo.  As I put in the 5mm Nagler the skies were getting slightly grey from 
oncoming mist. I had problems identifying the single spots that I had observed 
earlier. NGC 5755 (13.5mag) was still visible as a tiny elongated spot, but I failed 
to see 15mag NGC 5753. All 4 galaxies are within 5 arcmin.

--
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