(IAAC) Obj: NGC 891 - Inst: TV-102 (102mm f/8.6 APO refractor)
Observation Poster: Ron B[ee] <email@example.com>
Observer: Ron B[ee]
Your skills: Beginner (< one year)
Date/time of observation: 10/20/01
Location of site: 117h 9m W (Lat 32h 43m N, Elev 2000 ft)
Site classification: Exurban
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: TV-102 (102mm f/8.6 APO refractor)
Magnification: 22x, 30x, 60x, 110x
Object(s): NGC 891
Category: External galaxy.
Data: mag 9.9 size 13.5' x 2.8'
Position: RA : DEC :
I've strucked out on this galaxy twice before under mag 5 sky. But tonight...
Gotcha, I think at 60x. But couldn’t see it at 22x, 30x or 110x! Really at
the border of the edge of detection with very faint cigar shape. It is
possible that I got the “cigar” tonight because my sky was mag 5.5 tonight
(base on naked eye epsilon Trianguli) while other nights were only mag 5. I’m
sure I saw it because I could see it with averted vision and when I slewed the
view around, the cigar moved with the FOV. I noted 3 stars form a triangle
nearby: GSC 2839:1501, GSC 2839:1258 AND SAO 38001. If the galaxy would have
joined the star GSC 2839:1258, its cigar shape would have form a geometric
line that is approx. 15-20 degree angle with line between GSC 2839:1258 and GSC
2839:1501. The sketch I found on the Web below is very representative of what
I see except that the galaxy is much dimmer with my TV-102 than the sketch.
This has been a really tough object through the 4" refractor for me, but
persistence paid off!
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