astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) – Page 71 – Astronomy observatory in Staffordshire, England.

Minh’s advice on sorting out focusing issues with collimator tube on my Sol’Ex spectroheliograph 7/6/2024

Thanks Minh for this advice! Andy

Time to protect the wood! The observatory is 8-10 years old now. I’ve replaced the roof at one point from

Correctly focusing Sol’Ex camera tube by taking it out of Sol’Ex, mounting on tripod, and aiming at star at night.

Nice and dark with very few bright pixels – shows no light leak on Sol’Ex – great stuff! Andy

I am finding this very difficult to ascertain – using Christian Buil’s advice, the setting is 2.62mm on the ZWO

Note Christian Buil’s website & Youtube have many more excellent tutorials and information on Sol’Ex – these three are summary

Slight focusing movements only required – amazing effect! Andy

Made with some threaded screw rod and square nuts. Andy

Arrived this morning, transferred optics from 3D-printed plastic Azur3D Solex to new aluminium Sol’Ex this afternoon, couldn’t initially get a

I am convinced that the Azur3D 3D-printed Sol’Ex has issue with alignment of grating holding in its holding. it is