NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions (Fernando)

NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions

NGC 6302 is a bi-polar planetary nebula located at Scorpion constellation, distant 3800 light years and with a physical size of 2 light years, what give us a FOV of 3 x 1.4 arc minutes. The structure of the nebula is one the most intriguing ever observed as far as planetary nebula is concerned.

Spectral analysis has been shown that the center star is one of the hottest object known in our galaxy, with surface's temperature ranging 200.000 K, what implies that the star has formed from a big star.

The center star is a white dwarf, and just was observed recently, through the HST. This star has an actual mass of 0.64x solar mass. It is sorrounded by a dense disk on the equatorial area coomposed by dust and gas.

This nebula has very peculiar features to be observed like ionized walls, nodes and edges. Some of these features can be observed from the image posted.

Image details:

10 sub-frames of Red of 600sec

12 sub-frames of Ha of 1200 sec

12 sub-frames of blue 900 sec

10 sub- of green of 480 sec.

I posted a full version of the nebula, showing Ha details on the background and a second image showing details of the nebula through a cropped and resampled image.

Note:

You can see the equatorial region and the central star if you pass this image resampled to 32 bits floating point, through a FIR filter. I did using matlab and got very excited with the result. Unfortunatelly the file I was able to save was a fts file that can be opened in CCD Stack, but for some odd reason could not be opened in Pixinsight. Beyond this, the file is huge to be uploaded.

The REV.2 of the cropped image just removed some red biasing

The REV.3 of the cropped version has some more sharpening on the internal nodes of the nebula, as well as, passed through a better clean up workflow.

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Status	Basic success
Started	...
Astrometry.net job	1227138
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions

NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions

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NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions

NGC 6302 - The Bug Nebula: Cropped (Rev.3) and Full Frame Versions

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