NGC 4631 (Whale Galaxy)

NGC 4631 (Whale Galaxy)

NGC 4631 (cropped)

 

NGC 4656 (Hockey Stick Galaxy) & NGC 4631 (Whale Galaxy)

NGC 4656 (left) & NGC 4631 (right)

 

 

Target Information

  • ALTERNATIVE DESIGNATION(S):  Caldwell 32, Arp 281
  • TYPE:  barred spiral galaxy (edge on)
  • CONSTELLATION:  Canes Venatici
  • DISTANCE:  ~30 million light years

Imaging Information

  • IMAGING DATE(S):  April 2010
  • R:  10 min subs x 9, Bin 1×1
  • G:  10 min subs x 9, Bin 1×1
  • B:  10 min subs x 9, Bin 1×1
  • TOTAL EXPOSURE TIME:  270 mins = 4.5 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:  TheSky6, CCDAP4, FocusMax V3
  • PROCESSING SOFTWARE:  PixInsight, StarTools