My 3D-printed Sol’Ex Spectroheliograph mounted on Sky Watcher Evostar ED 72 DS Pro 28/5/2024
Getting it ready for next sunny day
Andy
astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.
astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.