The Notes above are used with the kind permission of Phil Jones
Links below provide further information
https://imaging.nikon.com/lineup/microsite/astrophotography
/getstarted/message/index.html
https://sympathink.com/best-astrophotography-camera-settings-stars-moon-milky-way/
https://digital-photography-school.com/how-to-shoot-the-night-sky-introduction-to-astrophotog
https://photographylife.com/landscapes/best-camera-settings-for-astrophotography