The first days of April promised clear and calm early summer weather and for the most part this even happened. So I decided for the sunflower galaxy M 63, which I wanted to capture as deep as possible and with the star stream which is present there. Rarely has there been such an uncomplicated session, during which no problems occurred, except a broken cable of my flatfield foil.

Although the star stream is hardly visible in the raw data, I was able to bring it out very weakly during the processing by the luminance. Targeted changes to the histogram and the gradation curves with masks helped.

RGB raw image:

Luminance raw image:

Here is the processed image ...