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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 4,7MB
The Cirrus formation can be seen at upper part of the image above.


More 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





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.









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




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