Friday, July 23, 2010
Images from the NG members remote Australian telescope, 06.05 - 21.07.2010
Here is a small slideshow about all the images taken with the Northern Galactic members remote telescope, 16"RCOS, in Australia between 06.05 and 21.07.2010
Image of the instrumentation can be seen HERE.
All my astronomical images, normal and some experimental 3D work, can be found from my portfolio:
Wednesday, July 21, 2010
IC 5150, a Planetary Nebula
IC 5150, a Planetary Nebula in constellation Grus.
This rarely imaged southern planetary is dimmish, magnitude about 12. Due the full Moon, it's imaged with narrow band filters. Only H-a and O-III are used to compose the natural bi-color version.
This object will be better imaged with a broad band LRGB, since it emits some strongish continuous spectrum but as mentioned, the full Moon prevent me to do so.
I haven't seen any narrow band color images of this earlier!
The telescope and technical information:
16" RCOS ja Apogee U9000 camera.
LRGB combo.
H-alpha 3x1200s, Dark and artificial Flat calibrated.
O-III 3x1200s, Dark and artificial Flat calibrated.
Raw data is shared with "Team Finland"
Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Levels, curves and color combine in PS CS3.
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.
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.
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
Original 2D-image
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