Re: (IAAC) Obj: M1 Crab nebula - Inst: 10" f6.5 Donsonian
Nice report. I keep telling myself to rediscover M1....I haven't viewed
it in about 30 years! Back then, I used a 3" reflector in nice dark
rural skies and found it quite easy. Maybe tonight.
anonymous NFS user wrote:
> Observer: Paul J Henney
> Your skills: Intermediate (some years)
> Date/time of observation: 22.10.2000, 00:30UT
> Location of site: Sheffield, England (Lat 53N, Elev 220M)
> Site classification: Suburban
> Sky darkness: 6 <1-10 Scale (10 best)>
> Seeing: 7 <1-10 Seeing Scale (10 best)>
> Moon presence: None - moon not in sky
> Instrument: 10" f6.5 Donsonian
> Magnification: 50x; 130x
> Filter(s): Orion LPR
> Object(s): M1 Crab nebula
> Category: Supernova remnant.
> Constellation: Tau
> Data: mag size
> Position: RA : DEC :
> Although the object had just risen and lay in the most light polluted part of
> the sky I wanted to try out the efficacy of the LPR on a night with good transparency and seeing for this location.
> Found the field in the 10x50 finder then switched over to the 35mm Ultrascopic with the LPR.
> M1 showed up nicely, an slightly irregular, elongated oval haze.
> Moving up to the 12.5mm Plossel I was pleased to see more contrast than I normally get without the LPR.
> Paul Henney
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