Very big improvement - what did you use to achieve that?
You must first adjust histogram, especially red channel, all images are shifted toward the red channel.
After that you must align the RGB channels, you can do it very easily with the Iris program.
Iris is a very powerful tool, but difficult to use.
Iris is a free software and can be downloaded
here.
Move the camera lens right up to the eyepiece to avoid bright circle on the image.
