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Thursday, April 22nd, 2010
M51 with G2V Calibration
 
I was able to catch 80 min. of one my favorites (M51) on the night of 4/22.
 
Location = Portland Downtown
Temperature = 46-48F
 
80subs x 1 min. = 92min.
 
80L x 40 Darks x 40 Bias x 40 Flats
 
Main Telescope = Orion Mak 150 FL=1800mm + Canon 40Dh
Guiding Scope = ST-80 + SSAG
Mount = HEQ5 Pro
 
Processing:  The usual suspects for processing = DSS with Mediam Sigma-Kappa Clipping, Photoshop, Carboni and GradientXTerminator and Ninja Noise.
 
Regarding, the G2V calilbration, still learning, but given that this image is still lacking 100 min. of data, I think it is pretty good in terms of color balance.
 
 
Enjoy it!


Image Gallery For This Session
m51 dss ps v2
   

m51_dss_ps_jpgv2.jpg
Click picture above for larger version
If the picture seems too bright or too dark, try adjusting the brightness below.
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