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(IAAC) Obj: M 1 - Inst: 15 inch Obsession f4,5
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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 13 Dec 2003
Location of site: Sangkhlaburi, Thailand (Lat 15°N, Elev 200m)
Site classification: Exurban
Sky darkness: better 6 mag <Limiting magnitude>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15 inch Obsession f4,5
Magnification: 78x and 342x
Filter(s):
Object(s): M 1
Category: Supernova remnant.
Class:
Constellation: Tau
Data: mag 8,4 size 6'
Position: RA : DEC :
Description:
The spiral form of the brighter parts of M1 did easily show at 78x as well as a
fainter narrow shell. At this magnification no other detail visible.
Considerably more detail at 342x with some dark streaks criss-crossing the
nebula and at least 4 faint stars embedded in the nebula were (visible with
averted vision).
Very bright even at 342x.
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