Thank you so much guys for all your replies
A few answers :
- the small UFO to the right is the PGC49919 galaxy. You can see several other galaxies in the field of view.
- the vertical spikes come from the blooming of my ST-10XME NABG CCD chip (KAF-3200ME).
I research a final image quality for my art prints.
I am very happy with the optics inside my ASA, made by Orion Optics and we can see the differences between the M101 image from my old Meade SCT OTA and taken with my ASA.
Thanks once again, i am very happy you like it !
Warmest Regards,
Florent
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Florent POIGET-Artist photographer :
http://www.poigetdigitalpics.com
Deep Sky & West USA photography - Art prints