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Observatory Parameters
May 24
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waxing Gibbous
15:30 03:21
From March 2006: The surface brightness of ngc 3718 is rather low at 14.5 but it is still a fascinating study. Quite large at 9' x 5' it is an almost unique lenticular/spiral galaxy observable not far from the 'plough' at a distance of about 52 million light years. It is disturbed and associated with nearby ngc 3729. The tiny galaxy group in the bottom left corner is vastly further away at about 300 million light years, but I think the group provides a fascinating impression of the scale of the universe compared with the relatively nearer ngc 3718. The background group is designated as UGC 6527 and is about magnitude 16. Image acquired using SX software processed in Astroart - 18 x 60 second unguided exposures.
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HCG 56, Astrophotography by astroeyes


  • Imaging telescope / lens: orion optics Reflector 254/1250 mm
  • Imaging camera: Starlight XPress MXC5
  • Mount: Equatorial Vixen ss2k
  • Processed with: astroart 3

Frames / Subs

  • Lights: 18 x 60 sec
  • Total integration time: 18:00 min


  • Date: Wed Apr 5th 2006
  • Binning: 1x1

Spatial Info

  • Image Size: 456 x 355 pixels
  • Image Scale: 1.708 arcsec / pixel
  • Visual Field: 0º 12' 59''
  • RA Center: 11h 32m 24s
  • DEC Center: 53º 00' 55''
  • Orientation: 177.962 degrees E of N

Sky Maps


Astronomy Quote of the Day

“What a type of happy family is the family of the Sun! With what order, with what harmony, with what blessed peace, do his children the planets move around him, shining with light which they drink in from their parent's in at once upon him and on one another!” Augustus William Hare and Julius Charles Hare
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