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(IAAC) Obj: NGC 1275, NGC 1272, NGC 1274, NGC 1275, NGC 1277, NGC 1278, NGC 1279, IC 1907, NGC 1281, PGC 12451, Abell 426 - Inst: 15 inch Obsession f4,5
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 1275, NGC 1272, NGC 1274, NGC 1275, NGC 1277, NGC 1278, NGC 1279, IC 1907, NGC 1281, PGC 12451, Abell 426 - Inst: 15 inch Obsession f4,5
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From: apache@galaxy.atmob.org (Apache User)
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Date: Sat, 24 Jan 2004 10:56:45 -0500 (EST)
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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 15 Jan 2004
Location of site: Sangkhlaburi, Thailand (Lat 15°N, Elev 200m)
Site classification: Exurban
Sky darkness: better 6 mag <Limiting magnitude>
Seeing: 9 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15 inch Obsession f4,5
Magnification: 342x
Filter(s): none
Object(s): NGC 1275, NGC 1272, NGC 1274, NGC 1275, NGC 1277, NGC 1278, NGC 1279, IC 1907, NGC 1281, PGC 12451, Abell 426
Category: External galaxy.
Class:
Constellation: Per
Data: mag various size various
Position: RA : DEC :
Description:
Under very clear skies I did identify a few members of the Perseus I cluster
(Abell 426) using 342x magnification. I did only concentrate this time on the
central eastern part of the cluster around NGC 1275.
NGC1281: 13,3mag, very faint, close to a 10,5mag star.
NGC1277/78: 13,5/12,4mag pair. Brighter 1278 has a bright core.
NGC1275: 11,9mag, Bright and very extended wide halo around a diffuse core.
NGC1273: 13,2mag, faint, small and featureless.NGC1274: 14,1mag, faint and very
small.
M+07-07-061: 15,1mag, very faint and small, close N to a triangle of 14m stars.
NGC1272: 11,8mag, quite faint for the brightness it features. Elongated without
any detail. Low surface brightness.
NGC1279: 16,6mag v, extremely faint. Pops into the eye only on AV. Most difficult and faintest target that I could discern. I did correctly mark its
location without the use of a map!
IC1907: 14,9mag, very faint without any detail.
PGC12451: 16,3mag, very faint at averted vision. E of 1278 I did see more than
those galaxies but I did not draw an accurate map of those.
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