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(IAAC) Obj: M57 - Inst: 6" newton,f/8 ,dobsonian mount

To: Internet Amateur Astronomers Catalog <netastrocatalog@atmob.org>
Subject: (IAAC) Obj: M57 - Inst: 6" newton,f/8 ,dobsonian mount
From: Michal Marcisovsky <mike@email.cz>
Date: Sat, 10 Jul 1999 12:52:59 -0400 (EDT)
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Observer: Michal Marcisovsky
Your skills: Intermediate (some years)
Date/time of observation: 07/09/1999  10-11 pm  pst
Location of site: Windy Hill,CA (Lat , Elev 400m?)
Site classification: Suburban
Sky darkness: 6.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 6" newton,f/8 ,dobsonian mount
Magnification: 40,80,120
Filter(s): none
Object(s): M57
Category: Planetary nebula.
Class: 
Constellation: Lyr
Data: mag 8.8  size 1.4*1 arc min
Position: RA 18:53  DEC 33:02
Description:
At 40x it is visible as a nice little disk sourounded by stars, when
using 2x and 3x barlow lens, can see ring, probably detected central
star (?). It's a great object for a small telescope, in 6 inch
newtonian it's a pretty big ring.
--
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