Spiral Galaxy M101
Constellation Ursa Major RA 14h 04m Dec +54 16

Stacks Image 662

Messier 101

About this object

The grand spiral galaxy M101, also called the pinwheel galaxy lies approx 21 million light years distant in the constellation Ursa Major. Some references that M101 is 70% larger than our own Milky Way galaxy. M101 contains many red HII regions and bright nebula.

Image Details

  • Optics : Stellarvue SVS 130 6 element refractor f5
  • Mount: Paramount MyT
  • Camera: SBIG STL 11K
  • Filters: Custom Scientific 50mm LRGB filter set
  • Exposure: LRGB 380:350:180:150 color binned 2x2
  • Camera/Mount Control: The Sky X, CCD Autopilot
  • Guiding: Unguided using Protrack
  • Processing: PixInsight
  • Location: Stark Bayou Observatory, Ocean Springs, MS
  • Date: Feb-March 16
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