Ha-version

NGC 1499 called California Nebula resembles the outline of California. Distance is 1,500 light-years and it is around 100 light-years long. It glows with the red light characteristic of ionized hydrogen. This picture is taken with a combination of LRGB filters making the color of the stars and a Ha-filter that makes out the red structure in the nebula. The picture is taken over several nights in nov-dec 2008. Follow the navigation menu and see the Ha-only version as well.

Optics and mount: Takahashi FSQ106ED f/3.6 on Takahashi Em-200
Camera: Artemis 4021. Guided with MiniBorg 60ED and DSI pro II.
Filters: Astrodon LRGB Ha
Exposures: Ha 10 x 1200 RGB 12 x 600 bin 1x1.
Software: Maxim DL (Guiding, darks), Photoshop CS2.
Date: Nov-Dec 2008

Last opdate 15.03.09.                                                                  Copyright 2008 Tom Victor Kolkin. All rights reserved. Before using, contact: tom@tomvictor.com