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Old 29-08-2014, 03:40 AM
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skysurfer
Dark sky rules !

skysurfer is offline
 
Join Date: Dec 2011
Location: 52N 6E (EU)
Posts: 1,152
A blood red Swan

When one shoots a swan, red color will appear.

So I did yesterday night, despite it is a protected animal (at least in the EU).

I used a Baader 7nm Halpha filter 2" in front of a canon EF 85mm f/1.8 squeezed to f/2.5 on a Canon EOS 6 and took 12 frames @ 4 minutes at 6400 ASA.
Darks and flats included.

Here I left the red color as desaturating (making a B/W image from it) loses some detail.

http://skysurfer.eu/skypics1/cyg-halpha-20140828.jpg

And here processed to b&w which succeeded without detail loss: Photoshop => Image => Black&White => Leave only red on:

http://skysurfer.eu/skypics1/large/c...w-20140828.jpg

Last edited by skysurfer; 29-08-2014 at 04:51 AM.
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