Sunday, September 6, 2015
"Howling Wolf" Nebula, vdB 149, vdB 150, LDN 1235 and PGG 67671
The second photo published from the Deep Sky West observatory. Lights are taken under a very dark skie. Unlike in my current light polluted location, it's now possible to image broadband targets, galaxies, reflection nebulae and dark nebulae! HERE is some more info about the Deep sky West Observatory.
I gave the nickname "Howling Wolf" after I saw the photo first time in my monitor. At the end of this blog post, there is an explanation for the nickname.
VdB 149 and companions in the constellation Cepheus
Click for a large image
Beautiful collection of dark and reflection nebulae in Cepheus including a galaxy. This is a broadband LRGB image in natural colors.
Full resolution details from the image above
LDN 1235
vdB 150
vdB 149
vdB 149 and some interesting shapes in the dust cloud
Click for a large photo
PGG 67671
An experimental starless version
Click for a large photo
A starless version to show better the actual dust cloud
Howling Wolf
This is how I see the photo in my head.
An animated GIF, stars vs starless
Click for a large image
Technical details
Processing workflow
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 27 iterations, added at 33% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Imaging optics
Takahashi FSQ-106EDXIII
Mount
Astro-Physics Mach1AP GTO with GTOCP3
Cameras and filters
QSI683WSG
Astrodon Luminance Tru-Balance E-Series Gen
Astrodon Red Tru-Balance E-Series Gen 2
Astrodon Green Tru-Balance E-Series Gen 2
Astrodon Blue Tru-Balance E-Series Gen 2
Exposure times
Luminance, 32 x 900s = 8h
Red = 13 x 900s = 3.25h
Green = 12 x 900s = 3h
Blue = 5 x 900s = 1.25h
Total 15.5h
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