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Messier 16

"Eagle" nebula

 Date  July 11, 2005
 Location  Starlight Observatory- Glasgow, DEht
 Exposure  60 min total (3x20 min subs) 1x1 bin -20c
 Camera  Sbig ST2000xm
 Scope/ lens  Astro Physics AP130/f6 (780mm focal length)
 Filter(s)  Astrodon  Ha (hydrogen alpha) 6nm
 Cooling  water assist (aquarium chiller @ 64 deg. F)
 Guider  self guided bin 2x2 6-8 sec  exposures
 Mount  Losmandy G11 w/dsc non- gemini
 Processing  CCDsoft,  Photoshop CS ( levels, curves, gaussian blur, usm)
 Notes  poor transparency; thin cloud cover; air temp 77f

 

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