Hoag's Galaxy, PGC54559

 

(Click on image for full size version)

 

Description: Hoag's galaxy, which looks like a planetary nebula at first glance, is actually an unusually structured galaxy approximately 50 arc-sec. in diameter.  The above image is rotated approximately 80 CCW from this Hubble image (Thanks to Al Kelly.)
 
Exposure Data: 5/11,12/2005.  LRGB: 63x5m, 30x5m, 30x5m, 30x7m, RGB 2x2. -25C, 0.55 arc-sec./pixel.
 
Processing: Automatic acquisition, dithering, focusing via CCDAutoPilot2 and CCDSoft.  Numerous software packages, some in beta, some released, were used in developing this image.
 
Optical System: 14.5 Ritchey-Chretien @ F/9 w/FFC, IMG6303E/CFW-7 CCD camera, AstroDon filters, Paramount ME, dithered 3 pixels, off-axis guided .
 
Comments: Average seeing was 2.5 arc-sec., deconvolved to 1.43 arc-sec.  Total exposure time was 13.75 hours.  Scroll down for the luminance image.
 

 

 

5.25 hours of Luminance

 

Processed in Pixsight by Juan Conejero