(IAAC) Obj: NGC 7008 - Inst: 15 inch Obsession f4,5
anonymous at sedna.atmob.org
anonymous at sedna.atmob.org
Mon Nov 15 02:41:21 EST 2004
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Observation Poster: Armin Hermann <burmeseinn at yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 14 Nov 2004
Location of site: Sangkhlaburi, Thailand (Lat 15°N, Elev 200m)
Site classification: Exurban
Sky darkness: 6 <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 7008
Category: Planetary nebula.
Class:
Constellation: Cyg
Data: mag 10,7 magv size 83"
Position: RA : DEC :
Description:
At 342x the nebula appears annular (extends N-S) with a size of approx
1,2x0.8'. The N edge of NGC 7008 is much brighter and I could see a bright
spot at the N end of planetary. The ring looks incomplete (open to S end) and
broken up into brighter and fainter patches of nebulosity. The center of the
nebula appears dark. 2 fairly bright stars are embedded in the nebula, one of
which is the 13,2mag central star. A nice yellow / blue double star is located
at the open S-end of 7008.
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