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William Shaheen | profile | all galleries >> Astronomy - Astronomical objects, images and astronomy related projects >> F/5.6 to F/7 Comparison tree view | thumbnails | slideshow

F/5.6 to F/7 Comparison

Comparison images taken with TEC APO 140 at both its native f/7 and at f/5.6 using the Astro-Physics 27TVPH focal reducer.

Horsehead -5.6.JPG
Horsehead -5.6.JPG		 Horsehead -7.JPG
Horsehead -7.JPG
Horsehead -5.6-2.JPG
Horsehead -5.6-2.JPG		 Horsehead -7-2.JPG
Horsehead -7-2.JPG
Horsehead -5.6-3.JPG
Horsehead -5.6-3.JPG		 Horsehead -7-3.JPG
Horsehead -7-3.JPG
20100303_NGC2683_Comb-ddpcrp.jpg
20100303_NGC2683_Comb-ddpcrp.jpg		 20100304_NGC2683_Comb-ddpcrp.jpg
20100304_NGC2683_Comb-ddpcrp.jpg
Tn_20100303_NGC2683_001.JPG
Tn_20100303_NGC2683_001.JPG		 Tn_20100304_NGC2683_006.JPG
Tn_20100304_NGC2683_006.JPG
click on thumbnails for full image