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Monday, July 19, 2010

NGC 6302, the "Bug Nebula"





Natural color composition from the emission of ionized elements, R=80%Hydrogen+20%Sulfur, G=100%Oxygen and B=85%Oxygen+15%Hydrogen to compensate otherwise missing H-beta emission.
This composition is very close to a visual spectrum.


HST-palette from the emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen

NGC 6302, the "Bug Nebula", (also called the "Butterfly Nebula") is a bipolar planetary nebula in the constellation Scorpius. The central star is one of the hottest of its kind, about 200.000 K. The central star can't be seen due the dense equatorial disc composed of gas and dust. The disc might be the reason for the bipolar structure of this bright planetary nebula  Distance is about 3500 light years.



100% crop from the image.


The telescope and technical information:

16" RCOS ja Apogee U9000 camera. 
LRGB combo.
H-alpha 5x1200s, Dark and artificial Flat calibrated.
1xO-III 1200s, Dark and artificial Flat calibrated.
1xO-III 1200s, Dark and artificial Flat calibrated.
Raw data is shared with "Team Finland"

Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 30 iterations
Levels, curves and color combine in PS CS3.



www.tips-fb.com Posted by J-P Metsavainio at 9:58 PM 0 comments
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NGC 6302, the "Bug Nebula" as an animation


Animations are made by creating artificial parallax to an image. Then two images are animated together by using conversion web service, Start3D. There can be some artifacts in images, due the experimental nature of this work! The volumetric models are based on some known facts and an artistic impression.
Please, let the images load for few seconds to see them animated!
Original 2D-image with the technical details:
Other 3D-formats:

NOTE! This is a personal vision about forms and shapes, based on some known facts and an artistic impression.


Original 2D-image



www.tips-fb.com Posted by J-P Metsavainio at 9:57 PM 0 comments
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NGC 6302, the "Bug Nebula" as a 3D Stereo Pair




Parallel vision, nebula in Natural colors.


Cross vision, nebula in Natural colors.

Other 3D-formats can be found here:

Original image and the imaging details can be found here:
http://astroanarchy.blogspot.com/2010/07/ngc-6302-bug-nebula.html



Stereo pairs in HST-palette

Parallel vision


Cross vision


NOTE! This 3D-study is a personal vision about forms and shapes, based on some known facts and an artistic impression.
Viewing instructions can be found from a Right hand side menu.


www.tips-fb.com Posted by J-P Metsavainio at 9:47 PM 0 comments
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NGC 6302, the "Bug Nebula" as an anaglyph Red/Cyan 3D




You'll need Red/Cyan Eyeglasses to be able to see this image right. 
Note, if you have a Red and Blue filters, you can use them! Red goes to Left eye.


The Bug Nebula, NGC 6302 as an anaglyph Red/Cyan 3D-study.



Other 3D-formats can be found here:




NOTE! This 3D-study is a personal vision about forms and shapes, based on some known facts and an artistic impression.
www.tips-fb.com Posted by J-P Metsavainio at 9:42 PM 0 comments
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