Jimmy Walker/M81 M82 April 10, 2012/in User Gallery /by liyun Title: M81 M82 location:Boerne TX, USA , Date: 2/25/2012 24x600sec ISO1600 Darks, Flats, Bias FSQ106edxiii Central DS cooled modified 5D markii AP1200 SBIG Borg60 guided http://www.centralds.net/cam/wp-content/uploads/2012/04/8182final-62.jpg 2048 3173 liyun http://www.centralds.net/cam/wp-content/uploads/2020/02/c-logo5.png liyun2012-04-10 02:51:412012-05-08 15:58:41Jimmy Walker/M81 M82