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Observatory Parameters
Feb 20
Ashburn
Clouds: Seeing:
Waxing Crescent
09:39 22:49
Object Name: NGC 1275, Perseus A Object Description: Active Galaxy group Position (J2000): R.A. 03h 19m 48s.16 Dec. +41° 30' 42".1 Constellation: Perseus Distance: About 230 million light-years (70 Megaparsecs) Dimensions: The image is roughly 25 arcminutes (1.5 Million light-years) across. There are a huge number of galaxies visible in this image. Some of them I've anotated on the image below: Many of these galaxies are very faint; magnitude 17.5 or fainter, you can find out more info here, www.messier45.com/cgi-bin/dsdb/d ... r=ngc+1275 if you're interested in this sort of thing. The main member is ngc 1275 which Hubble recently imaged in superb detail; antwrp.gsfc.nasa.gov/apod/ap080822.html NGC 1275 is the type SO galaxy at the center of this image of a portion of the Abell 426 galaxy cluster. It is the dominant member of the Perseus Cluster of Galaxies and a strong radio source, therefore named Perseus A, and 3C 84 from its entry in the 3rd Cambridge Catalogue of Radio Sources. It is also a strong X-ray source. Its nucleus shows emission lines and is of Seyfert type 1 - this galaxy was in Carl Seyfert's original list of galaxies with peculiar emission lines in their nucleus, now called Seyfert galaxies. Filaments of gaseous material are moving explosively outward at 1500 miles per second. (SEDS) My image is taken through my 10" Newtonian onto a SX H9C OSC camera - about 70 minutes of exposure.  Comments
Abell 426, Astrophotography by astroeyes

Equipment

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

Frames / Subs

  • Lights: 70 x 60 sec
  • Total integration time: 1:10 hours

Acquisition

  • Date: Tue Nov 25th 2008
  • Binning: 1x1

Spatial Info

  • Image Size: 1,329 x 1,021 pixels
  • Image Scale: 1.125 arcsec / pixel
  • Visual Field: 0º 24' 54''
  • RA Center: 3h 19m 25s
  • DEC Center: 41º 33' 48''
  • Orientation: 4.698 degrees E of N

Sky Maps

Comments

Astronomy Quote of the Day

“The view of the Earth from the Moon fascinated me -- a small disk, 240,000 miles away... Raging nationalistic interests, famines, wars, pestilence don't show from that distance.” Frank Borman, Commander of Apollo 8
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