10 minutes of Moon – October 31, 2014

This must be my shortest lunar imaging session ever…

On an apparently good evening for lunar imaging, with only some traces of fog at the horizon, I’ve decided to take my long-lived 8″ F/5 Newtonian telescope (now modified to be more easily transported and stored) out again for a very brief imaging session together with my brother-in-law.

Unfortunately the fog rapidly grew and covered all the sky and ground, allowing me only a few minutes for setting up the equipment and to make the necessary adjustments like collimation and focusing. I’ve only got a very brief 10 minutes for actual imaging, and the most striking feature visible at the time was the shadow of Rupes Recta.

The following image is a stack of only 1000 frames in 4-5/10 seeing conditions, acquired with the ASI120MM camera and a Baader Green filter mounted after a Baader 2.25x barlow lens.

rupes recta

A comparison showing two different processing levels, one for the brighter areas, and the other showing more of the area next to the terminator, including the shadow of Rupes Recta:

COMPARISON

Glad I got those 10 minutes of clear skies…

Max

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