Imaging DSOs becomes problematic when the moon approaches first quarter. I decided to take the time to fully collimate the VRC 6, which was a little out of alignment. I decided to test it on the moon. The image below was taken with the VRC 6, 0.5x focal reducer, and DS 2.3+. It is a stack of 250 frames from an avi, stacked in Registax with final processing (unsharp mask) in Photoshop. The collimation really sharpened up the image!
This image was taken with the same setup, but using a 2x barlow: