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(IAAC) Obj: Abell 77 (PK 97+3.1) - Inst: 24" f/4.1 Ultralight Dobson



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Observation Poster: Stathis Kafalis <dobsonstathis@planet-interkom.de>

Observer: Stathis Kafalis
Your skills: Advanced (many years)
Date/time of observation: 2001 Aug 22
Location of site: 50 km south of Munich / Germany (Lat 48, Elev 750 m)
Site classification: Exurban
Sky darkness: 3-4 <Bortle Scale (9 worst)>
Seeing: 3 <10-1 Seeing Scale (1 best)>
Moon presence: None - moon not in sky
Instrument: 24" f/4.1 Ultralight Dobson
Magnification: 168
Filter(s): OIII
Object(s): Abell 77 = PK 97+3.1
Category: Planetary nebula.
Class: Irregular disk involved in fainter irregular disk
Constellation: Aquila
Data: mag 16.4 (p)  size 37"
Position: RA 21:32  DEC +55:53
Description:
At 168x (15 mm Panoptic) + OIII- filter seen as a faint more or less round 
blob of 30-50" diameter with relatively good defined edge.
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Optional related URLs: http://www.geocities.com/dobsonstathis
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