M104, The Sombrero Galaxy in Virgo


(Click on image for full size version)


Description: This galaxy is viewed within 6 degrees of edge-on, with a pronounced dust lane.  Hints of the spiral nature of this galaxy are visible in the disk area.  North is up in this image.  A small unidentified open spiral galaxy is just visible toward the lower right.
Exposure Data: 3/27/2003.  LRGB: 11x10m, 6x7m, 6x7m, 6x10m. RGB binned 2x2.
-20C, 0.8 arc-sec./pixel.
Processing: Acquired via Sequencer with Maxim, reduced, combined, aligned in Mira, Double size and RGB combine in Maxim, L 4xCCDSharp, LRGB in Photoshop.
Optical System: 10 Ritchey-Chretien RCOS Truss @ F/9, ST-8E USB NABG/CFW-8A CCD camera, Paramount ME mount. L: AO7 guided, RGB: autoguided.
Comments: This target is low to the south over the Tucson city area with an average elevation of 35.  Star field gradient corrections were applied to the image.  The combined raw FWHM was 3.1 arc-sec. and deconvolved to 2.2 arc-sec.