(IAAC) Obj: M57 - Inst: 3.5" (9cm) ecuatorial refractor
anonymous at sedna.atmob.org
anonymous at sedna.atmob.org
Mon Jul 12 06:16:37 EDT 2004
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Observation Poster: Tudorica Alexandru <tudorica_a at yahoo.com>
Observer: Tudorica Alexandru
Your skills: Intermediate (some years)
Date/time of observation: 16.06.2004 (22:00 - 22:17) UT
Location of site: Ghirdoveni, Romania (Lat +45, Elev 260 m )
Site classification: Rural
Sky darkness: +6.9 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 3.5" (9cm) ecuatorial refractor
Magnification: 38x, 76x, 110x
Filter(s): none
Object(s): M57
Category: Planetary nebula.
Class:
Constellation: Lyr
Data: mag size
Position: RA : DEC :
Description:
At 110x the nebula looks like an elongated disc, on NE - SV. The
hole of the disc is bright when compared with the exterior medium. It is
surrounded by stars, from which one it is remarked in to the eastern
side; you can see that the disc it's slightly brighter on the north side.
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