The O.A.S. Astrophotography Gallery

A place for members' images...

Home > Stars, Nebulae and Galaxies > Messier Objects
Return to the thumbnail page FILE 178/317 Return to start See previous file See next file Skip to end
M81 M81 & UGC5336 visible at 6 O'Clock 6 Hours 20 minutes (19x20 minute subs taken over two nights) Link-words: Messier Whitmarsh

M81

M81 & UGC5336 visible at 6 O'Clock
6 Hours 20 minutes (19x20 minute subs taken over two nights)

Rate this file (Current rating : 2.7 / 5 with 3 votes)
File information
Filename:M81-SigmaClip.png
Album name:Whitters / Messier Objects
Rating (3 votes):33333
Link-words:Messier / Whitmarsh
Image date, time and location:28th December 2008 01:26 and 29th December 2008 23:20 - Mileaway
Telescope aperture and focal ratio:110mm f6.5
Camera and filters used:MX916 Astronomix IR Block
Processing applied:Sigma Clip, Curves and levels applied, Gausian Blurr to smooth background unsharp mask applied to bright region
Filesize:193 KiB
Date added:Dec 31, 2008
Dimensions:779 x 580 pixels
Displayed:435 times
URL:http://gallery.orpington-astronomy.org.uk/displayimage-697-_M81_.html
Favorites:Add to Favorites