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Monday, September 29, 2008

Butterfly Nebula in narrowband colors








At last I was able to shot S-II channel for this image!
Last night was stormy and since I don't have a proper observatory, wind made
imaging really difficult. About half of the frames was shot trough speeding clouds.
In this image colors are showing difference between Double ionized Sulfur (Red),
Hydrogen alpha (Green) and triple ionized Oxygen (Blue).
This palette is generally known as a Hubble palette by the palette used to processing images
from Space telescope Hubble. Compared to my previous images, more details can be seen here.
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Imaging data:
Camera, QHY8
Filters, Baader 7nm H-alpha and Baader 8,5nm O-III
 Optics, Tokina AT-X 300mm @ f2.8
Exposures, 5 X 1200s H-alpha 3 X 1200s O-III
4 X 1200s S-II + flats and bias
-Guiding, LX200 GPS 12" + PHD-guiding and Lodestar
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Just noticed, that there is a cosmic Seagull in the image!
It just reising its wings.
Cosmic Sealgull
www.tips-fb.com Posted by J-P Metsavainio at 9:02 AM 0 comments
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Butterfly in Narrowband Stereo

Parallel Vision image pair Cross Vision image pair -
For viewing istructions, please, look at the menu on the right hand side of the page.
www.tips-fb.com Posted by J-P Metsavainio at 8:58 AM 0 comments
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Sunday, September 28, 2008

Butterfly Nebula, Colors of Autumn








I made some tests about colorbalance. I looked more closely
O-III channel and compared it to the H-alpha channel.
There was some large scale differences between those two.
This experiment is done to make those differences more visible.
Green channel is synthesized from O-III and H-alpha channels.
I think, this color scheme is very suitable for season up here.
www.tips-fb.com Posted by J-P Metsavainio at 1:30 PM 0 comments
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Butterfly Nebula in 3D-stereo pair

First image pair is for "Parallel Vision" method. Second one is for "Cross Vision" method. Viewing instructions can be found here: http://astroanarchy.blogspot.com/search/label/Stereo%20image%20viewing%20instructions
www.tips-fb.com Posted by J-P Metsavainio at 11:05 AM 0 comments
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