Sunday, October 26, 2008
Sh2-171
S-II, H-alpha and O-III as a Hubble palette
H-alpha, O-III, synthesized Blue as a "Natural" color
H-alpha
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Sh2-171 is an emission nebula in Cepheus.
I have shot few objects from the Sharpless catalog before, I find them interesting and
not too common as an imaging targets.
Here is three versions, first is a narrowband color version in Hubble palette,
second is a "natural" color version with synthesized green from H-alpha and O-III.
Third, black and white, is a hydrogen alpha channel only.
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Imaging data:
Camera,
QHY8
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Filters,
Baader 7nm H-alpha, Baader 8,5nm O-III and Baader 8nm S-II
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Optics,
Tokina AT-X 300mm @ f2.8
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Exposures,
9X 1200s H-alpha, 3 X 1200 O-III and 3X1200s S-II + flats and bias
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Guiding,
LX200 GPS 12" + PHD-guiding and Lodestar
Saturday, October 25, 2008
Friday, October 17, 2008
Veil Nebula, Supernova animation in stereo
This stereo animation shows the origin of the Veil Nebula.
(This time for parallel vision only, it might work for Cross Vision too.)
How to see this in stereo?
Please, look for istructions at right hand side menu.
Veil Nebula 3D + animation
Parallel Vision image
Cross Vision image
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I tested GIF-animation in previous post.
This time I use it to add litle surprise to this stereo image.
Again, two versions. One for Parallel Vision method
and the other for Cross Vision.
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Click the image to start, look at the image in stereo, after few
seconds something small going to happend.
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