Mounted on Sky Watcher ED 72 Pro telescope on a Sky Watcher HEQ5 Pro mount, ZWO ASI 174MM camera. I

The aluminium Sol’Ex is wonderfully machined buy very heavy putting a lot of weight on the focuser, increasing risk of

Sky was too cloudy today to attempt my first solar scan and processing of image of Sun in INTI –

I am indebted to Minh for advice in attached thread on how to achieve focus – not as easy as

New photos of Sol’Ex aluminium collimator tube and Shelyak collimator lens, ZWO helical focuser and ZWO ASI 174 MM camera

Thanks Minh for this advice! Andy

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