(Click on image for full size version)
|Description:||This showy spiral galaxy is relatively nearby
at a distance of 10 million ly.
|Exposure Data:||6/17/2004. LRGB: 50x3m, 12x3m, 12x3m,
12x3m, RGB 2x2. -20°C, 0.58 arc-sec./pixel.
|Processing:||Automatically acquired via Sequencer and CCDSoft, reduced and
aligned in Mira, combined in Sigma, RGB combined in Maxim, L 50
iterations RL deconvolution, LLRGB assembly,
curves, levels, mild USM other processing in Photoshop.
Ritchey-Chretien RCOS Truss @ F/6.4, ST-10XME NABG CCD camera, FLI CFW-2
filter wheel, Paramount ME. AstroDon filters with luminance filter. Unguided and
dithered 4 arc-sec.
|Comments:||Average seeing was 2.0 arc-sec., deconvolved to