nostr:npub1a3hfcvq3wa9zggsur737r9j095kh76rqy46we58jzu345xl4n3eqz9m44m impressive lack of noise - I love how modern sensors can handle high ISO so well, and after stacking 30 you've got a great image.
Guess if you follow the rule of 600, you might need to drop the exposure time closer to 1s to avoid any trailing with that lens.