M57, Ring nebula




2012 Aug 13, Asikkala

Canon 550D

GSO/TS250 Newtonian at f/4.

60 x 15 s at ISO3200

Processed with Iris, levels with Photoshop Elements.

Image width is about 5'.



2004 Sep 04, Asikkala

Canon 300D

M603 at f/6.4

32 x 15 s at ISO800

Processed with Iris.

Image width is about 8'.