(IAAC) Obj: NGC 6946, 6939 - Inst: 3.5" (9cm) ecuatorial refractor

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Mon Jul 12 06:50:15 EDT 2004


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Observation Poster: Tudorica Alexandru <tudorica_a at yahoo.com>

Observer: Tudorica Alexandru
Your skills: Intermediate (some years)
Date/time of observation: 18.06.2004, 22:07 UT
Location of site: Ghirdoveni, Romania (Lat +45, Elev 260 m )
Site classification: Rural
Sky darkness: +6.2 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 3.5" (9cm) ecuatorial refractor
Magnification: 38x, 76x, 110x
Filter(s): none
Object(s): NGC 6946, 6939
Category: External galaxy.
Class: 
Constellation: Dra
Data: mag 8.9 / 7.8  size 11 x 10 / 7'
Position: RA :  DEC :
Description:
Very nice pair of  galaxy and open cluster. They are about the same 
size but the galaxy is about two magnitudes fainter. The cluster is partly 
resolved. At higher power 76x is better resolved, and it's looking like 
a small comet, it has a coma and a tail, the stars are arranged in a 
right triangle, the galaxy is almost extinguished.

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