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NGC4725 by Dave Collings

Submitted by Chelsea Chin

A beautiful galaxy about 41 Million light years from Earth and spans 100,000 light-years across!

  • Image shot in LRGB.  7 hours Luminance, 2 hrs. Red, 2 hrs. Blue and 2 hrs. Green for a total of 13 hours. All sub-frames were 300 sec. exposures.
  • Plane Wave 12.5” CDK telescope with the PW 0.66 Reducer on an Astro Physics 1100 GTO CP4 mount.
  • Main camera is an ATIK 16200 Mono CCD with an ATIK EFW3 Filter wheel with Chroma LRGBHa & OIII,  SII, and HA 3nm filters.
  • Guide scope is Astromania 400mm Refractor with an ASI 290mm guide camera.


David Collings – Blue Ridge Observatory | Sparta, North Carolina  USA