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William Shaheen | all galleries >> Astronomy >> Astro Images by Subject > IC4603 05-Mar-2008
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IC4603  05-Mar-2008

IC4603 05-Mar-2008

10 - 8 min. subs @ ISO400. TEC-140 with the AP 27TVPH .75x reducer, f/5.4 (760mm), Nikon D50
(modified), Baader uv/ir filter. 8 darks, 6 bias frames, 6 flats. Noise reduction in Neat Image.
Temperature approx. 40 deg. F.


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