(Click on image for full size version)
|Exposure Data:||9/29,30/2003. LRGB: 18x10m, 7x10m,
7x10m, 7x10m. RGB 2x2. -10°C, 0.49 arc-sec./pixel.
|Processing:||Acquired via Sequencer II (dither 4) and CCDSoft, reduced and
aligned, in Mira, Combined in Sigma, L 2x CCDSharp, RGB combine in Maxim, LRGB combine, curves, levels and other
processing in Photoshop.
|Optical System:||12.5” Ritchey-Chretien RCOS Truss @ F/9,
CCD camera, Paramount ME. AO7 guided
|Comments:||Average FWHM was 2.5 arc-sec., deconvolved to
this image taken at Kitt Peak with 20" RC and over twice the elevation
above sea level.