August 26, 2009
Pietrabbondante
continue with the tests and summer pictures ...
With the choice of this nebula I wanted to test the sensitivity in the red machine Eos1000D not changed. The subject
the nebula IC1318 is a portion of the large emission nebula in the constellation Cygnus. The nebula itself is crossed by a dark nebula LDN899 . The presence of Sadr is a perspective effect.
The choice of frame is not the best and loses part of the nebula.
The shot was made from 2 to 4 with
800IS Canon EOS 1000D focus of sw 80ed
HEQ5 on tour with sw 130 spc900nc and GuideMaster
focus occhiometrica
11 x 510 / 2 light frame (clip sum sigma, sigma = 3)
for a total of 3 dark
1h 55min (median) 6
flat ( median)
preprocessing and stacking with Iris
processing with PS
processor 2, on the advice of David Manca (master Joda) I pulled a bit 'processing and reviewed the colors, in fact I do not think there is much signal more details see the look the same only the most obvious need is ... .. all alpha h ...
processor 2
processing a raw 
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