M87, Giant Elliptical Galaxy in Virgo

 

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Description: M87 is the largest galaxy in the Virgo-Coma cluster of galaxies.  Visible near the core of the galaxy is a giant jet, estimated at 5 million light years in length, is thought to be material ejected from the core of this galaxy.  Arp 152.
  
Exposure Data: 5/25/2003.  LRGB: 9x5m, 3x10m, 3x10m, 3x10m. RGB binned 2x2. 
-10C, 0.49 arc-sec./pixel.
 
Processing: Acquired via Sequencer in Maxim, reduced and aligned in Mira. double size, Sigma Reject combine,  RGB combine in Maxim. Lum 50 RL iterations in AIP4WIN. LRGB assembled with curves, levels and other adjustments in Photoshop.
 
Optical System: 12.5 Ritchey-Chretien @ F/9, ST-10XME NABG/CFW-8A CCD camera, Paramount ME.  STV guided.
 
Comments: Raw FWHM was 2.5 arc-sec., deconvolved to around 1.5 arc-sec.