Saturday, 20 October 2012

Cygnus supernova remnant

I finally got all 6 of my pics of different parts of this supernova remnant processed, including the flat field calibration frames I took during the following session at the observatory. This has really helped me tease out the faint filamentary details. The pictures are aligned but not spaced as they appear on the sky, so you don't have to pan around to see the detail. The real object covers a rather large patch of sky in Cygnus and is visible through an ultra-high contrast nebula filter in most telescopes from a dark site. They are reduced to 25% size here. Each picture is a whole bunch of 30 second exposures at f/3 using my modified Canon 1000D on the society's 20" telescope.