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Monday, June 28, 2010
NGC 6357, Sharpless 11
HST-palette from the emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen
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.
NGC 6357 locates in constellation Scorpius and it's know by names Sharpless 11, RCW 131 and Gum 66.
Looks very much like an Egyptian Horus!
Looks very much like an Egyptian Horus!
The telescope and technical information:
16" RCOS ja Apogee U9000 camera.
LRGB combo.
H-alpha 4x1200s, 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
Labels:
Narrowband color images,
nebula
Tuesday, June 22, 2010
M17, the "Omega nebula" as a Stereo pair 3D
Parallel vision
Cross vision
Other 3D-formats can be found here:
Original 2D-image:
NOTE! This 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.
Viewing instructions can be found from a Right hand side menu.
Labels:
stereo images
M17, the "Omega 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.
Other 3D-formats can be found here:
Original 2D-image:
NOTE! This is a personal vision about forms and shapes, based on some known facts and an artistic impression.
Labels:
anaglyph images and movies
Monday, June 21, 2010
M17, the "Omega nebula"
M17, imaged with the Northern Galactic members remote telescope in Australia.
The Omega Nebula, also known as the Swan Nebula or the Horseshoe Nebula, cataloged as Messier 17 and NGC 6618. This H-II region loactes in constellation Sagittarius. Distance from Earth is between 5000-6000 light years and it spans about 15 light years in diameter. Image area is 30'x30', about half a degree.
Open cluster of 35 hot young stars lies inside of the nebula and causes ionization glow of the elements.
The image is in HST-palette from the emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen
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.
The telescope and technical information:
16" RCOS ja Apogee U9000 camera.
LRGB combo.
H-alpha 6x1200s, Dark and Flat calibrated.
O-III 1x1200s, Dark calibrated
S-II 2x1200s, Dark calibrated
Raw data is shared with Petri Kehusmaa and J-P Metsavainio
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.
Labels:
Narrowband color images,
nebula
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