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Thursday, October 15, 2009
The Tulip Nebula as a Stereogram
Parallel, Natural Colors Cross, Natural Colors
Parallel Vision, HST-palette Cross Vision , HST-palette
NOTE! This is a personal vision about forms and shapes, based on some known facts and artistic impression. Wieving instructions can be found from a Right hand side menu. - Original Image with details can be found HERE.
NOTE! This is a personal vision about forms and shapes, based on some known facts and artistic impression. Wieving instructions can be found from a Right hand side menu. - Original Image with details can be found HERE.
Labels:
stereo images
A new project, The Cat's Eye Nebula
Cat's Eye nebula is a small, complex structured, Planetary nebula in constellation Drago.
In this first version, only H-alpha light is exposed. There is strong O-III component in its halo.
Doe its small angular size, good seeing is needed to show any internal details in nebula's core.
Seeing was really bad and I just tryed to capture H-a for outer halo.
However, there was some details in bright core as well.
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Details;
-Camera, QHY9
- Optics, Meade LX200 GPS 12" @ f4.65
- Guiding, Lodestar and SXV-AO @ 8Hz
- Exposures, 10x600s and 4x1200s with 7nm H-alpha filter.
- image scale is 0.8 arcsecond/pixel
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A "pre Stereogram"
Parallel
Cross
Wednesday, October 14, 2009
Tulip Nebula Finalized
Last night I got more H-alpha light and O-III and S-II channels.
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Two color chemes, HST Palette as S-II=Red, H-a=Green and O-III=Blue. Second image is in natural colors composed from narrowband data. Channels are balanced so, that image match to visible spectrum, H-a + 24%S-II=Red, O-III=Green and O-III + 15%H-alpha=Blue.
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Processing work flow: Image acquisition, MaxiDL v5.07. Stacked and calibrated in CCDStack. Deconvolution with a CCDSharp, 30 iterations. Levels, curves and color combine in PS CS3.
- Telescope, Meade LX200 GPS 12" @ f4.65 Camera, QHY9
Guiding, SXV-AO @ 11Hz
Exposures: H-alpha 10x1200s Binned 1x1
O-III 6x600s, binned 3x3
S-II 4x600s, binned 3x3
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The name "Tulip" is well deserved.
Monday, October 12, 2009
NGC 6888, Reprocessed
Colors are now more vivid and details are even more visible.
Original images and imaging details can be found here:
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