Mars the big red star at bottom right passing thru Leo Major, the war lion! Eleven days before the 2012 Mars opposition. First image with the Tamron lens set at 35mm, seems to have more chromatic aberration and coma but less astigmatism than when set at 50mm.
Image Data
Optics: Tamron 17-50mm f/2.8 set at 35mm f/2.8
Camera: Canon EOS X5 DSLR (unmodified)
Mount: Fixed Tripod
Exposure: 31 X 5seconds at ISO 1600 RAW
Calibration: Stacking,Flats,and Bias in DeepSkyStacker by Luc Coiffier
Processing: Gradient removal in Iris by Christian Buil, levels, curves, color in PS
Location: Quezon City, Philippines
Date Time: February 21, 2012. 10:45-10:50pm PHT
Conditions: 28C, 80RH, cloudless clear sky
2 comments:
nicely done Leo. - Ron
Thank you!
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