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.

The telescope and technical information:

http://3.bp.blogspot.com/_9HcYqbvUc4s/S-b4XGoaKCI/AAAAAAAAEVg/lmCuJMbTT-c/s1600/NGTelescopeL.jpg



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.