M101 Orion Spaceprobe 130ST

Published by 105 on May 19th, 2005 at 05:00 a.m..


Photo taken on Thursday 31 March 2005 in Ashland, Kentucky

[Digital Photo Camera]
CANON - EOS 300 D
10 5min ISO 1600 unguided

[Prime Focus]
ORION - SpaceProbe 130 ST

M101 10 5 minute unguided exposures with unmodified EOS300. Orion Spaceprobe 130ST 130mm F5 newtonian modified to accept Baader MPCC, and with curved secondary mirror holder vanes. Orion Skyview Pro mount (modified). 20% fov cropped, 10% for amp glow, 10% for symmetry. First image of the ota modification experiment. Autoguiding and ISO speed reduction will significantly improve image quality.

 

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