(IAAC) Obj: NGC 2359 (Duck Nebula) - Inst: 15 inch Obsession f4,5

Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 18-19 Nov 2004
Location of site: Sangkhlaburi, Thailand (Lat 1509' N, Elev 200m)
Site classification: Exurban
Sky darkness: 6,2 <Limiting magnitude>
Seeing: 9+ <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15 inch Obsession f4,5
Magnification: 131x
Filter(s): O III
Object(s): NGC 2359 (Duck Nebula)
Category: Emission nebula.
Constellation: CMa
Data: mag - -  size 6x8'
Position: RA :  DEC :
Phantastic! Very bright nebula that is best observed with an OIII filter. At 
131x with filter the shape of NGC 2359 reminds me of a pelikan or duck with a 
very long bill. The nebula features an almost round part of 6' diameter that 
looks like a huge planetary nebula. Attached to the S is a bright 8x2' long 
streak that resembles the head and bill of the duck. The N-edge of the round 
part also contains a smaller, bright filament that can be seen as the feet of 
the duck. Several stars are embedded in NGC 2359. Very beautiful nebula and 
definitely something I should have observed much earlier!
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