(IAAC) Obj: Abell 30 = PK 208+33.1 - Inst: 24" f/4.1 Ultralight Dobson
anonymous at sedna.atmob.org
anonymous at sedna.atmob.org
Sat Jun 19 10:37:42 EDT 2004
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Observation Poster: Stathis Kafalis <skorpion41 at freenet.de>
Observer: Stathis Kafalis
Your skills: Advanced (many years)
Date/time of observation: 2002 Mar. 10
Location of site: German Alps (Lat 48, Elev 950)
Site classification: Exurban
Sky darkness: 3 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 24" f/4.1 Ultralight Dobson
Magnification: 168
Filter(s): OIII
Object(s): Abell 30 = PK 208+33.1
Category: Planetary nebula.
Class: Smooth disc w. traces of ring structure
Constellation: Cancer
Data: mag 15v5 size 109"
Position: RA 08:47 DEC +17:53
Description:
Found position with DSSII blue printout.
It took me some time to find it, but once spotted it stayed there
(15 mm Panoptic, 168x + OIII).
Central star of approx. 14 mag surrounded by a large diffuse glow, with
very diffuse edge. I can't really say, where the edge is, it depends on how far
indirect I look at.
Two Galaxies lie in the neighborhood:
IC 2398 at 8' south of A30. With 7 mm Nagler (360x): small, fairly faint, but easily directly visible. Oval, elongated N-S.
IC 2406 at 21' SE of the planetary immediately seen in the 32 mm WF (79x), brither and larger as the above. In the 7 mm Nagler (360x) elongated blob with slightly squared central part.
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Optional related URLs: http://www.stathis-firstlight.de/deepsky/abell.htm
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