(IAAC) Obj: NGC 1513 - Inst: 15 inch Obsession f4,5

[anonymous at sedna.atmob.org]

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Observation Poster: Armin Hermann <burmeseinn at yahoo.com>

Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 18-19 Nov 2004
Location of site: Sangkhlaburi, Thailand (Lat 15°09' 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): n
Object(s): NGC 1513
Category: Open cluster.
Class: 
Constellation: Per
Data: mag --  size 7x5'
Position: RA :  DEC :
Description:
Bright, small galactic nebula located just W of an 8,5mag star. The nebula 
responds very well to the OIII filter and shows a lot of detail at 131x 
magnification. The overall shape of NGC 1491 might be described as triangular 
but with the OIII a dark N-S lane that bisects the nebula into 2 long streaks 
can be seen. Observed with AV, very faint patches of NGC 1491 extend across the 
8mag star and a bit further east. The before mentioned bright streaks are 
approx. 6-7' long.

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