M-101 Spiral Galaxy

M-101 Spiral Galaxy

Click on Image for Full Size

 

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

Distance: 27 Million light years

Date(s) Taken: Various Dates from April 30th through June 7th, 2008

Telescope: Orion XT - 12 and Televue Paracorr

Camera: ST 2000 XM, Operating at -25 deg C sensor temperature, Water Cooling

Exposures: 11 hours total duration

27 Luminance- 10 Minute Images binned 1x1

16 Red - 10 Minute Images binned 2x2

15 Green - 10 Minute Images binned 2x2

13 Blue - 10 Minute Images binned 2x2

M101 Collimation Map

M101 Flat Field Map

 

© All Images Copyright 2003 - 2015 Brad Bates

Brook Mar Observatory

Images of the Cosmos by Brad Bates