Friday, April 10, 2009
Thursday, April 9, 2009
The Bubble Nebula in HST-palette
I relized yesterday, that I actually shot Narrowband colors for the Bubble Nebula!
The colors are from a small part of the wide field image belowe. I marked it there.
This image of Sh2-157 is shot November 10 2008. The original image and data can be found
The original Bubble nebula, from 2007, is Shot with much higher focal lenght. It can be found HERE.-
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It's amazing how litle and low resolution color information is enough to build HST-palette image.
The signal from S-II and O-III channels is carefully mixed to a H-a channel.
Then the O-III and S-II boosted H-a channel is used as a luminance.
I must try this tecnique with some other, older , narrowband images as well!
Wednesday, April 8, 2009
All my Astro Images from a season 2008-09
To see this SlideShow in full screen maximize your browser and Klick this link:
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It's over up here, 65N !
In a two days here will be no astronomical darkness anymore, until Sptember.
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In this Slide Show, there is all my Astroimages from this season.
They are in reversed chronological order from 11.09.2008 to 02.04.2009.
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There is about 28 individual images from this season, my personal record!
All the images, with higher resolution and details, can be found from this Blog.
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Please, use the Right hand side menu to see different image groups.
My Old astroimages, 2005-2008
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Since I know now how to make a Slideshow, I made one about my older images as well.
Images in this presentation are shot between 2005-2008.
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FULL SCREEN Slideshow, klick this link and maximize you browser;
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Nebula images are taken with a UHC-filter or are H-a RGB-compositions,
so they are in natural colors.
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I posted a slideshow about my astroimages from this season, 2008-09, ealier, it can be seen here:
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