Moon in Eclipse of May 16, 2003 (UT)

 

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Description: The moon in eclipse at a low elevation of 18 is reddened, even correcting for atmospheric extinction, due to the residual illumination from the sun passing through much of the earth's atmosphere.
 
Exposure Data: 5/16/2003.  RGB: 4sec, 4sec, 4sec. -10C, 2.65 arc-sec./pixel.
 
Processing: Acquired via Maxim, reduced and aligned, gradient correction in Mira, combined with Sigma Reject plug-in,  RGB combined 1.34:1.0:1.59 and unsarpened DDP in Maxim, mild USM in Photoshop.
 
Optical System: FSQ-106 @ F/5, ST-10XME NABG/CFW-8A CCD camera, unguided with Paramount ME mount.
 
Comments: Note the red, green and blue "dots" at the lower right.  This is how much the moon relative to the stars in a 15 second period.  The exposure sequence was RGB.