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All the material on this website is copyrighted to J-P Metsavainio, if not otherwise stated. Any content on this website may not be reproduced without the author’s permission.

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Thursday, April 10, 2014

Tone Mapping V2.0, my lecture at NEAIC conference, New York




Click the image to download a PDF-tutorial

Click the image to download a PDF-tutorial

I'm offering my development work for free.
Donations are welcome especially since I don't have any equipments to continue my imaging work.









www.tips-fb.com Posted by J-P Metsavainio at 6:58 PM 6 comments
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Saturday, April 5, 2014

Two collections of planetary nebulae in scale


Since I don't have any equipment to continue my imaging work, I have organized my image archives. This time I made an image collection out of the planetary nebulae imaged by me. I'm trying to show here, how large they appear to be in the sky. There is an image of the Moon as a scale in the posters. The Moon has an angular diameter of about 30 arc minutes, that's equal to 0,5 degrees. I have made a similar poster out of the supernova remnants, it can be seen HERE.


A collection of planetary nebulae as a poster
Click for a full resolution image




A collection of very large planetary nebulae as a poster
Click for a full resolution image. Please, read the NOTE under the image!


NOTE!

A friend of mine, Sakib Rasool, contacted me for this posters. There is an error in second one.
Sh2-223 is actually an emission nebula. You can read a paper about it here: http://www.aanda.org/articles/aa/abs/2006/29/aa4881-06/aa4881-06.html



INFO

For more information about palnetary nebulae: http://simple.wikipedia.org/wiki/Planetary_nebula
All images are emission line images shot with a Baader narrowband filter set, cooled astronomical camera QHY and Meade LX200 GPS.

Links to my original photos with technical details

Poster 1


Poster 2




www.tips-fb.com Posted by J-P Metsavainio at 12:01 PM 0 comments
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Tuesday, April 1, 2014

Best amateur astronomy photos of the past four years, by the Telegraph




My photo of the constellation Cygnus was selected as one of the best amateur astronomy photographs of the past four years by the Telegraph. The collection of images can be seen HERE, my image is a number 09.

A mosaic image of constellation Cygnus 
Reprocessed, NOTE. a large image 2300 pixels wide and 4.3MB

Image is in mapped colors from the emission of ionized elements, R=Sulfur, G=Hydrogen and B=Oxygen. Native size of  this image is over 15.000 x 10.000 pixels.

More information and images HERE




www.tips-fb.com Posted by J-P Metsavainio at 5:46 PM 1 comments
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Monday, March 24, 2014

A collection of large supernova remnants as a poster



Since I don't have any equipment to continue my imaging work, I have organized my image archives. This time I made an image collection out of the supernova remnants with a large angular scale. I'm trying to show here, how large they really are in the sky. There is an image of the Moon as a scale in the poster. The Moon has an angular diameter of about 30 arc minutes, that's equal to 0,5 degrees.


A collection of large supernova remnants as a poster
Images are in mapped colors from the emission of ionized elements. NOTE a large image, 1900x2500 pixels and 6MB

All images are in Mapped colors from the emission of ionized elements,
R=Sulfur, G=Hydrogen and B=Oxygen.
Note. The Moon as a scale to show the apparent scale in the sky.


The same collection in visual spectrum
Click for a full resolution poster. NOTE a large image, 1900x2500 pixels and 6MB

Images are in Natural color palette from the emission of ionized elements,
R=Hydrogen + Sulfur, G=Oxygen and B=Oxygen + Hydrogen. This is very close to a visual colors.
Note. The Moon as a scale to show the apparent scale in the sky.

More information about SNR images above
Links to my original photos with technical details

All the images are shot with the camera optics, Canon EF 200mm f1.8 monster lens full open, Baader narrowband filters (H-a, O-III and S-II) and the QHY9, a cooled astronomical camera with the KAF 8300 CCD chip. Very long exposure times are used, 15 to 50 hours per image, to reveal dim and diffused structures buried in the dense star fields. All images are guided with the Meade LX200 GPS 12" and the Lodestar guider. Meade works also an imaging platform for the camera lens.

In this collection, there are couple of very rare images, like Simeis 147, Sharpless 224. There are also two "firs light" images out of two super nova remnants, Sharpless 221(Sh2-221) and G65.3+5.7SNR. I haven't been able to find any other color images out of them, showing the whole SNR.





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