Uploaded 18-Nov-09
Taken 10-Apr-09
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Bubble Nebula an older version

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 belowThe 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! e. I marked it there.

Bubble Nebula an older version

Bubble Nebula an older version

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 belowThe original Bubble nebula, from 2007, is Shot with much higher focal lenght. It can be found HERE.
-
-
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! e. I marked it there.