(IAAC) Obj: Abell 37 = IC 972 - Inst: 24" f/4.1 Ultralight Dobson

[anonymous at sedna.atmob.org]

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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: 105x, 360x
Filter(s): OIII
Object(s): Abell 37 = IC 972
Category: Planetary nebula.
Class: Smooth disk w. traces of ring structure
Constellation: Virgo
Data: mag 13v9  size 43"
Position: RA 14:04  DEC -17:15
Description:
Immediately seen in with the 24 mm WF (105x) and OIII-filter.
Best view with the 7 mm Nagler (360x) + OIII:
Fairly bright disk, slightly mottled interior and quite good defined edge.
Stays against the backgrount quite good even without filter (averted vision) 
No central star seen.
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Optional related URLs:  http://www.stathis-firstlight.de/deepsky/abell.htm
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