Correctly focusing Sol’Ex camera tube at night 6/6/24
Correctly focusing Sol’Ex camera tube by taking it out of Sol’Ex, mounting on tripod, and aiming at star at night.
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astronomy.network The Website of Lichfield Radio Observatory (LRO)
Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
Month: June 2024
30 sec dark frame Sol’Ex with ASI174MM camera 5/6/2024
Nice and dark with very few bright pixels – shows no light leak on Sol’Ex – great stuff! Andy
Read moreOptimal focus position on focuser on camera tube on Sol’Ex 5/6/2024
I am finding this very difficult to ascertain – using Christian Buil’s advice, the setting is 2.62mm on the ZWO
Read moreKey PDF documents from Christian Buil’s website on building and using Sol’Ex Spectroheliograph, accessed 5/6/2024
Note Christian Buil’s website & Youtube have many more excellent tutorials and information on Sol’Ex – these three are summary
Read moreIncredible effect of focusing collimator block on sharpness & visibllity spectral lines Sol’Ex 5/6/2024
Slight focusing movements only required – amazing effect! Andy
Read moreMy homemade North Post for NEQ6 tripod
Made with some threaded screw rod and square nuts. Andy
Read moreFirst light from aluminium Sol’Ex made in Vietnam
Arrived this morning, transferred optics from 3D-printed plastic Azur3D Solex to new aluminium Sol’Ex this afternoon, couldn’t initially get a
Read moreOrientation of diffraction grating in new aluminium Sol’Ex enclosure
I am convinced that the Azur3D 3D-printed Sol’Ex has issue with alignment of grating holding in its holding. it is
Read moreHow to change tyre on Astro Tuff Truk
Information from Lee at Astro Tuff Truk, together with spare tyre he kindly sent me. Andy Click on links to
Read morePhotos of my “new” 2nd hand (used) Astro Tuff Truck (British made) 4/6/2024
Photos of the new truck are below, next to the old homemade trolley I have been using last few years
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