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(IAAC) Obj: M57 (Ring Nebula) - Inst: 4.5" f/8 Dobsonian reflector
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To: netastrocatalog-mhonarc@visualdeepsky.org
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Subject: (IAAC) Obj: M57 (Ring Nebula) - Inst: 4.5" f/8 Dobsonian reflector
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From: Ante Perkovic (via Lew Gramer) <albireo@vip.hr>
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Date: 31 Jul 2004 00:56:28 -0000
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Cc: owner@visualdeepsky.org
Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 18th 2003
Location of site: Kasjuni beach, Split, Croatia (Lat 43.5 N, Elev 0m)
Site classification: Suburban
Sky darkness: 5.0 <Limiting magnitude>
Seeing:
Moon presence: None - moon not in sky
Instrument: 4.5" Homemade Dobson reflector, f/8 ("babydob")
Magnification: 79x
Filter(s): None
Object(s): M57 (Ring Nebula)
Category: Planetary nebula
Class:
Constellation: Lyra
Data: mag 9.0 size 2.5'
Position:
Description:
Dark hole in the center easily visible at 79x.