NGC 4654 / NGC 4639


 
Steve Bodin 
Galaxies:  NGC 4654 / NGC 4639
Date & Time: 2 and 3 June 2003 11 PM to 3 am
Sky darkness: 6 <Limiting magnitude>
Transparency:  fair to good
Seeing:  <1 worst - 10 best>
Location of site: Silverdale WA, USA 47N 123W
Conditions: temp 45-50 F, dry
Site classification: suburb-rural
Telescope: 17.5 DOB, Bigdog
Eyepieces: not used
Magnification: app. 200x integrated 2 sec exposures
Two different types a large loose spiral and a barred small disc. NGC 4654 is rather faint except for the central region. The arm pattern looks asymmetrical, but nice to see. NGC 4639 is a small dot with a faint bar inside an even fainter disc structure.
 

  
   
  
 



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