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(IAAC) Obj: NGC 2371 (NOT SEEN) - Inst: 8" f/10 SCT on fork



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Observer: Lew Gramer
Your skills: Intermediate (some years)
Date/time of observation: 1998-01-22/23 03:40 UT
Location of site: ATMoB Clubhouse, Westford, MA, USA (Lat 43N, Elev 146m)
Site classification: Exurban
Sky darkness: 5.7 (intermittent cirrus) <Limiting magnitude>
Seeing: 4 <1-10 Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 8" f/10 SCT on fork
Magnification: 80x, 170x
Filter(s): None, UHC, OIII
Object(s): NGC 2371 (NOT SEEN)
Category: Planetary nebula
Class: 3a+6
Constellation: Gem
Data: mag 13.0 (star 15.5)  size 74"x54"
Position: RA 07:26  DEC +29:30
Description:
After a lovely observation of the OTHER bright Gemini
planetary (see previous log for NGC 2392), I dedicated
a frustrated quarter hour to looking for (what should
be) brightish little n2371. Despite repeated star-hops
to the location, using both 80x and 170x with averted
vision, UHC "blinking" (moving the filter in and out
of my light path), and even scope jiggling, I failed to
pick '71 out from the star field. This 8" try confirms
an earlier observation I made of '71 at this site with
a much larger scope (ATMs 17"), as "nearly stellar". On
the other hand, from a darker site with a 20", I logged
even a bit of detail in this rather large object! Just
another illustration of contrast's strange effects. :)
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