Messier 12

Messier 12_cropped

RGB_cropped

 

Messier 12_original

RGB_original

 

 

Target Information

  • ALTERNATIVE DESIGNATION:  NGC 6218
  • TYPE:  globular cluster
  • CONSTELLATION:  Ophiuchus
  • DISTANCE:  15,700 light years

Imaging Information

  • IMAGING DATE(S):  June 2013
  • R:  5 min subs x 10, Bin 1×1
  • G:  5 min subs x 10, Bin 1×1
  • B:  5 min subs x 10, Bin 1×1
  • 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, StarTools