Astrophotographers hangout. Invite friends and notice chat bar on bottom.
My first attempt to use data from new ATIK460EX cam. Added H-Alpha data to the old M101 red channel. Nexstar 11 with Hyperstar 3 at f/2 Baader 35nm H-Alpha filter, QHY10 and ATIK460EX, guided with 70mm Celestron scope and DSI-pro.