Strange outcomes below (see pictures below – output from INTI processing software)! I think this might be because I mistakenly scanned sun in wrong direction (up/down rather than left/right)?? Data…
Mounted on Sky Watcher ED 72 Pro telescope on a Sky Watcher HEQ5 Pro mount, ZWO ASI 174MM camera. I placed sun just to east of where telescope pointing –…
The aluminium Sol’Ex is wonderfully machined buy very heavy putting a lot of weight on the focuser, increasing risk of deformation in light path and the device falling out of…
Sky was too cloudy today to attempt my first solar scan and processing of image of Sun in INTI – so instead I pointed my Sol’Ex spectroheliograph (SHG) at the…
I am indebted to Minh for advice in attached thread on how to achieve focus – not as easy as when using eyepiece! Andy
New photos of Sol’Ex aluminium collimator tube and Shelyak collimator lens, ZWO helical focuser and ZWO ASI 174 MM camera showing position of camera which is mounted via 1.25 inch…
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. This needs an object that is close to infinity and…
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 helical focuser BUT I seem to have sharper image of…
Admin