Meade Instrument Corporation
   
Deep Sky Imager™  
 
George Moromisato
 
M42 mosaic
Image by George Moromisato Wednesday, December 22, 2005 Meade 8" SN LXD75 Meade Deep Sky Imager (no IR filter) Mosaic of 7 stacks of 30 x 21.2-second exposure
  George Moromisato and
the Deep Sky Imager  

George Moromisato writes of his M42 mosaic taken with the Deep Sky Imager and his LXD75 SN-8:

"I had two main challenges in capturing the Orion Nebula. The first was that the nebula itself is very big: more than 60 arcminutes wide, or two Full Moon diameters. Since the Autostar Suite integrates both the Deep Sky Imager controls and telescope controls, I was able to effortlessly create a mosaic by moving the 'scope and then shooting the picture. After seven separate images, I had captured the whole nebula. The second challenge was that the Orion Nebula has a huge dynamic range. The star-forming central region is extremely bright, while the extended mantle of the nebula is very faint. Fortunately, the Deep Sky Imager generates 48-bits of information (16-bits per color channel) and thus captures that whole range. I was more limited by the colors available on my computer screen than I was by the DSI's output."

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