NGC 457 (Owl Cluster)

NGC 457 (Owl Cluster)

LRGB image

 

 

Target Information

  • ALTERNATIVE DESIGNATION(S):  ET Cluster, Caldwell 13
  • TYPE:  open star cluster
  • CONSTELLATION:  Cassiopeia
  • DISTANCE:  7,922 light years

Imaging Information

  • IMAGING DATE(S):  November 2015
  • L:  10 min subs x 6, Bin 1×1
  • R:  5 min subs x 6, Bin 2×2
  • G:  5 min subs x 6, Bin 2×2
  • B:  5 min subs x 6, Bin 2×2
  • TOTAL EXPOSURE TIME:  150 mins = 2.5 hrs

Equipment

  • TELESCOPE:  Takahashi TOA-130F
  • MOUNT:  Software Bisque Paramount ME
  • CAMERA:  SBIG STL-11000XM
  • GUIDING:  TC-237 (internal autoguide chip)
  • FILTERS:  Astrodon
  • IMAGE ACQUISITION SOFTWARE:  TheSkyX, CCDAP5
  • PROCESSING SOFTWARE:  PixInsight