Máximo Ruiz is a Spanish astronomy amateur who uses DMK 21AU04.AS astronomy camera for his astro-photography hobby. This monochrome Saturn image is another work from him:

We translated his email as follow:

I am now sending you the picture of Saturn that I have captured with a DMK 21AU04.AS camera and a Meade LX 200 10 telescope.

Location: Barbera del Valles, Barcelona

Time: 12-01-09 about 18:30

Tube S/C Meade LX 200 10”  f/11

1 video of 100 frames.

15 fps with DMK 21U04.AS  monocrhome camera & red filter

Filter:  Optec, Bessell U

Process with  Regixtax Photoshop and Pixinsight