avalon linear

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M42 - Orion Nebula by Guillaume Seigneuret
Via Flickr:
My Third attenpt. The famous great Orion Nebula and the running man. Done at Rians Camera : EOS 50D Lens : Tamron 150-600 @ f/6.3 Mount : Avalon Linear Subs : - 50 x 120" ISO 1600 - 25 x 45" ISO 1600 => Almost 2h integration No dark, no flat, no bias.

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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