(IAAC) Obj: Abell 10 (PK 197-14.1) - Inst: 17.5" f/4.5 Dobson

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• Subject: (IAAC) Obj: Abell 10 (PK 197-14.1) - Inst: 17.5" f/4.5 Dobson
• From: apache@atmob.org (Apache User)
• Date: Fri, 2 Nov 2001 04:32:44 -0500 (EST)
• Cc: dobsonstathis@planet-interkom.de
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Observation Poster: Stathis Kafalis <dobsonstathis@planet-interkom.de>

Observer: Stathis Kafalis
Your skills: Advanced (many years)
Date/time of observation: 2000 Oct 23
Location of site: German Alps (Lat 48°, Elev 1450)
Site classification: Exurban
Sky darkness: 3  <Bortle Scale (9 worst)>
Seeing: 5 <10-1 Seeing Scale (1 best)>
Moon presence: None - moon not in sky
Instrument: 17.5" f/4.5 Dobson
Magnification: 283
Filter(s): OIII
Object(s): Abell 10= PK 197-14.1
Category: Planetary nebula.
Class: Irregular disk
Constellation: Orion
Data: mag 14.7 (vis)  size 35x32"
Position: RA 05:32  DEC +06:56
Description:
Located at the head oh Orion found at 62x (32mm WF) with averted vision 
as a round small blob.
Easyly visible at 283x (7mm Nagler), more contrast gain with OIII- filter.
Round, homogeneous disk with slightly diffuse edge.
At 413 (4.8 mm Nagler) and OIII still easy, but brings no more detail.
--
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