Pietrabbondante August 13, 2010
As with all other nights during this summer laying the humidity has lowered the quality of the air and the heat has strained the camera.
The nebula was taken at 2:30 am at the zenith, a position he suffers a lot from my summer location of the lights of this country ... but I can give no signal (it is useless in progress relentlessly trying to bring out what there !!)...
but the worst came to my surprise development which are highlighted horizontal bars from one side of the frame that have not been able to eliminate. In preparing
I could try instead of the maxim that power has many filters and capabilities in more than PS.
crop. Canon EOS 1000D changed the focus sw 80ed,
HEQ5 on tour with sw70/500 spc900nc and GuideMaster (EOS USB plug-in)
focus mask of light frame bathinov8 x 360 / 2 (sum) 21
light frame from 300 seconds for a total of 11 dark
95min (median)
flat 9 (median)
preprocessing and stacking with DSS processing with Maxim PS.
Below the image with the obvious problem that has ruined the field of stars and dark nebula B158
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