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(IAAC) Obj: Minkowski 1-7 - Inst: Vixen 80mm f/15 achromat on GP mount



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Observation Poster: Thomas Jensen <Thomas_Jensen@jubiipost.dk>
Observer: Thomas Jensen
Your skills: Advanced (many years)
Date/time of observation: Feb 20, 2004   21.00 UT
Location of site: Gudhjem, Bornholm, Denmark (Lat 55.14, Elev 70 m.)
Site classification: Rural
Sky darkness: ~6 <Limiting magnitude>
Seeing: IV-V <I-V Seeing Scale (I best)>
Moon presence: None - moon not in sky
Instrument: Vixen 80mm f/15 achromat on GP mount
Magnification: 38x, 133x
Filter(s): None
Object(s): Minkowski 1-7
Category: Planetary nebula.
Class: 
Constellation: Gem
Data: mag >13  size 29"
Position: RA 06:37.4  DEC +24:00
Description:
Minkowski 1-7 is a planetary nebula in Gemini. It is faint, but has a high surface brightness. I decided to try to observe it with my 80/1200mm Vixen refractor. I located the field with my trusty U2000.0 (1st. edition) and a DSS printout.
 After finding the exact location I could at first not see a trace of the planetary at 38X (32mm Plössl). At 71X (17mm plössl) I could see a faint fuzzy patch next to a faint star. It was elongated and had the overall shape of a candle flame. 133X (9mm ortho) offered the best view of the planetary. I tried higher powers, but they made the planetary too faint.
 Thomas Jensen, Denmark
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