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(IAAC) Obj: NGC 6153 - Inst: 15" f4,5 Obsession
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 6153 - Inst: 15" f4,5 Obsession
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From: anonymous@sedna.atmob.org
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Date: 15 May 2005 08:51:36 -0000
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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: 342x
Filter(s):
Object(s): NGC 6153
Category: Planetary nebula.
Class:
Constellation: Sco
Data: mag 10,9magv size 24"
Position: RA : DEC -40:
Description:
NGC 6153 forms a beautiful 5-arcmin-trapezium with 3 bright stars. NE of the
planetary is an 8,2mag orange star, a blueish-white 9,8mag star to the N and an
11,3mag double star with equally bright components of of white and blue color.
The disk of the 6153 itself is blue, very bright and approx 25" diameter and a
slightly oval shape (N-S elongated). It features a darker center and I saw hints of a
dumbell shape similar to IC4406 with the W and E lobes of the planetary being
slightly brighter. Very impressive object! Magnification 342x.
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