Did some test photos of Jupiter and Moon at prime focus.
Moon (approx 4 days old) 0.04 (1/25) quite good (iso 400).
Jupiter 0.05" (1/20) iso 400.
Jupiter and Moons (Planet a bit overexposed) 0.1" (1/10) iso 400.
My latest blog post: Deontology vs Consequentialism: If we have free speech, personal freedom, equality, and truthfulness we are off to a pretty good start. (posted 2025-10-20). Warning: mysqli_connect(): MySQL server has gone away in /Library/WebServer/Documents/Owen2/Inc/Footer.m.inc.php on line 51
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