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(IAAC) Obj: Abell 33 (PK 238+34.1) - Inst: 10" f/5.4 Travel 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: 1997 Apr. 4
Location of site: Mallorca (Lat 40, Elev 350)
Site classification: Exurban
Sky darkness: 4 (slight haze at the horizon) <Bortle Scale (9 worst)>
Seeing: 3 <10-1 Seeing Scale (1 best)>
Moon presence: None - moon not in sky
Instrument: 10" f/5.4 Travel Dobson
Magnification: 58 and 93x
Filter(s): OIII
Object(s): Abell 33 = PK 238+34.1
Category: Planetary nebula.
Class: Smooth disk
Constellation: Hydra
Data: mag 12.4 (vis)  size 268"
Position: RA 09:39  DEC -02:48
Description:
3' NNE of 7 mag star SAO 137026 without filter nothing to see.
At 93x (15 mm Panoptic) with OIII a huge planetary.
Faint diffuse homoenous glow. Can hold it securely with averted vision.  
Not visible at 198x (7 mm Nagler) and OIII
Nice ghostly looking Abell!
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Optional related URLs: http://www.geocities.com/dobsonstathis
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