Click on Image for Full Size

 

Object: Messier 101 Pinwheel Galaxy (NGC 5457) - Constellation Ursa Major

Distance: 27 Million light years

Date Imaged: March 11 through March 18, 2013

Image Processing: Initial Processing in 2016, Revised 2017, Final June, 2019

Telescope: Takahashi TSA 102 with Field Flattener (800mm Focal Length)

Camera: STT 8300M, FW8G-STT, Operating at -25 deg C sensor temperature

Exposures: 16 hours total duration

37 Luminance- 10 Minute Images binned 1x1

20 Red - 10 Minute Images binned 1x1

20 Green - 10 Minute Images binned 1x1

20 Blue - 10 Minute Images binned 1x1