M1: Color + Ha

Description:

M1, the Crab Nebula, in the constellation Taurus.

This is my first STL-11000M color processing attempt. L+Ha, R+Ha, G, B+10% Ha.


Constellation that it's located in: Taurus


Imaging Site: My back-yard in San Diego, Ca.


For more information about the Crab Nebula:

Wikipedia


Date: 20 and 23 Dec 2006

Scope and f/: Celestron N11GPS at f/10.

Mount: APT wedge.

Guiding: SBIG STV Deluxe attached to a piggy-backed Celestron N4 OTA.

Camera: SBIG STL-11000M.

Camera temperature: -20C

Camera binning: 3x3

Number of sub-images and exposure: RGB each are 10 x 5min, L is 19 x 5 min, Ha is 12 x 5 min (for Ha, the best of two nights were used).

Filters: Astrodon luminance, red, green, blue, and hydrogen-alpha.

Image Calibration: Dark and flat frames.

Planning, control, capture and processing with: Equinox, ImagesPlus, and Photoshop.



Images may be used for personal and/or educational use only.