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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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Saturday, April 26, 2014
Astro Anarchy get published
Yesterday was an opening ceremony for the new facilities of The "Oulu Region Joint Authority for Education" in Haukipudas. One of my images was selected there as a public artwork in a main lobby.
The Cirrus of Cygnus
A very large photographic print on aluminium, 3x10m
The photo is printed on aluminium and it has a glossy finishing. This is one of the largest art prints I have ever seen. The size of the photographic prin is over 3 x 10 meters (= 10 x 33 feet)
Even in that size, the image is very sharp, since the original image is in very high resolution due to mosaic technique used. An info board for the artwork can be seen next to the door at middle right.
An opening ceremony
Yours truly at left in a red shirt. Photo copyright OSAO
About the photo
Click for a very large image, 3000 pixels wide and 4,5MB
A mapped color image from the emission of ionized elements,
R=Sulfur, G=Hydrogen and B=Oxygen.
The image above spans about 15 degrees of sky horizontally, that's 30 fool Moons side by side in a sky!
There are nine panels seamlessly stitched together. Each panel has been shot three times for a color image by using emission line filters for Hydrogen, Oxygen and Sulfur. A camera lens, Canon EF 200mm f1.8, was used with a cooled astronomical camera, QHY9. Original image is about 20000 pixels wide . Total exposure time is around 90h.
The "Cirrus of Cygnus" is a part of a much large image of this area.
Note! a very large image, 2300 pixels wide and 4,7MBMore info in this blog post: http://astroanarchy.blogspot.fi/2011/12/cygnus-mosaic-18-panels-and-22-x-14.html
Couple of closeups from a mosaic image above
The propeller nebula, this area can be seen at middle of bottom edge in the topmost image.
Original blog post about the Propeller Nebula: http://astroanarchy.blogspot.fi/2011/10/first-light-for-autumn-season-2011.html
Sharpless object 112 can be seen as a dim batch at left, near a bottom edge, next to a brighter blue area, in a topmost image.
Orientation in constellation Cygnus
It does look like a Cirrus cloud
Labels:
publications
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.
Labels:
publications,
research and development
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.
Poster 1
- NGC 246, http://astroanarchy.blogspot.fi/2010/10/planetary-nebula-ngc-246.html
- Messier 97, http://astroanarchy.blogspot.fi/2013/03/owl-nebula-messier-97.html
- IC 5150, http://astroanarchy.blogspot.fi/2010/07/ic-5150-planetary-nebula.html
- Jones-Emberson 1, http://astroanarchy.blogspot.fi/2013/03/jones-emberson-1-palnetary-nebula.html
- Cat eye Nebula, http://astroanarchy.blogspot.fi/2011/01/cats-eye-nebula-reprocessed.html
- Jones 1, http://astroanarchy.blogspot.fi/2010/11/jones-1-extreme-dim-planetary-nebula.html
- Messier 76, http://astroanarchy.blogspot.fi/2010/11/m-76-little-dumbbell-nebula.html
- Bug Nebula, http://astroanarchy.blogspot.fi/2010/07/ngc-6302-bug-nebula.html
- Sharpless 188, http://astroanarchy.blogspot.fi/2010/11/sh2-188-project-finalized.html
- Ring Nebula, M57, http://astroanarchy.blogspot.fi/2010/10/m57-ring-nebula-project-finalized.html
- Messier 27, http://astroanarchy.blogspot.fi/2012/12/messier-27-dumbbell-nebula.html
- Sharpless 274, http://astroanarchy.blogspot.fi/2011/02/medusa-nebula-sh2-271-project-finalized.html
- Helix Nebula, http://astroanarchy.blogspot.fi/2010/06/helix-nebula-with-some-new-photons.html
Poster 2
- Sharpless 129 and OU4, http://astroanarchy.blogspot.fi/2013/12/a-start-of-new-project-cepheus-mosaic.html
- Sharpless 223, http://astroanarchy.blogspot.fi/2009/04/sh2-223-224-and-225-lightened-up.html NOTE. actually this is an emission nebula, not a planetary one.
- Sharpless 216, http://astroanarchy.blogspot.fi/2011/02/sh2-216-project-finalized.html
- A PN in NGC 1499, http://astroanarchy.blogspot.fi/2011/06/ngc-1499-california-nebula-reprocessed.html
- PuWe 1, http://astroanarchy.blogspot.fi/2011/03/puwe1-planetary-nebula-project.html
Labels:
Narrowband color images,
nebula
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
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
A mosaic image of constellation Cygnus
Reprocessed, NOTE. a large image 2300 pixels wide and 4.3MB
More information and images HERE
Labels:
publications
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