My homemade North Post for NEQ6 tripod
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Made with some threaded screw rod and square nuts. Andy
First 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 spectrum until I realised I had (i) added washer on…
Orientation 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 somewhat differently placed in the new Vietnamese aluminium Sol’Ex housing…
How 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 download instruction files in PDF and Microsoft Word format. PDF…
Photos 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 – that has done sterling work but I now need…
Purchase of 2nd hand Astro Tuff Truck for Astrophotography gear
Osteoarthritis in my knee has made me reconsider how I pull my astrophotography gear in and out at night. I have today purchased one of these well-made British trucks, which…
Angella’s homemade microscope cover for Zeiss IM35 microscope
Angella has made me this wonderful cover for my microscope! Andy
Replacing power from computer to separate power supply for Nooelec SAWBird H1+ LNA on Ptarmigan Array Milky-Way-Hydrogen-mapping computer
In order to stop me making the mistake of forgetting to run “Bias-tee-on” each time I restart this computer, I have added a separate 5V power supply to the LNA…
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
Never forget to run Bias-Tee-On batch file!
I’m an idiot!! Just had to discard several weeks of data on my Milky Way Hydrogen-mapping experiment (Ptarmigan array) because I stupidly forgot to run the Bias-Tee-On batch file to…