An amazing rendition of that object - in particular the separation from the background - and great to see the seemingly forgotten Pentax medium format camera lenses being used like this. I assume you had a 6x7 adapter made for the Proline?
There is quite a range of relatively forgotten classic medium format lenses and even the 'classic' large format (for use with 4x5, 5x7 oir 8x10inch film or larger)camera lenses whcih also have great potential for this sort of work. Many of these lenses are undervalued or considered obsolete at present.
Great work Marco. You've managed the intensity of Rigel exceptionally well. Massive FOV with this equipment combination. A visual treat. Thanks for sharing.
nice,nice ..nice marko umm what filters you using outa curiosity
LRGB are the latest Baader 50mm square I bought to replace my Astrodon Gen2 LRGB set I used before (too bad reflections to my taste, these filters are much better)