avalon linear


Elephant Trunk Nebula by Darren Knight
Via Flickr:
Two panel mosaic in HA 44 x 30 minute exposures, but 5 were discarded, making a total of 19.5 hours of data used. Dark, Flats and bias to suit Atik 490 cooled to -10 Avalon fast reverse linear mount Tak 85 refractor. Lodestar guide camera on an OAG