Stacks Image 662


About this object

M101 is a beautiful face on spiral galaxy in the constellation Ursa Major. It lies 25million light years distant and contains a myriad of star clusters and emission nebula.

Image Details

  • Optics : Stellarvue SV102T Triplet Refractor with a prototype flattener/reducer working at f5.8
  • Mount: Mountain Instruments MI-250
  • Camera: QSI 583
  • Filters: Astrodon LHaRGB filter set
  • Exposure: L:150mn, Ha:140min, R:140min, G:140min, B:150min
  • Camera/Mount Control: Maxim DL 5.23, CCD Commander
  • Processing:
  • Location: Stark Bayou Observatory, Ocean Springs, MS
  • Date: Jun 13
Stacks Image 74
Stacks Image 75