Here is a photo of the dish erected at LRO: Using Parabola Calculator 2 program (Parabola Calculator version 2.0 (tripod.com) https://mscir.tripod.com/parabola/), the dimensions and focal length of my solar cooker…
First part of assembly process – it is quite big! (1.5m) Andy
we think this aerial is not effective because of poor solder connection. I used lead-free solder and this may have meant that the solder joint was poor, so today some…
Sky Watcher Equinox Pro 100mm OTA HEQ5 Pro mount Daystar Quark hydrogen chromosphere filter 174MM camera (not cooled) Daystar interference eliminator ImPPG/Photoshop software Andy First 2 images are versions 1…
I used the tone curve below on data from 17/9/2024 – worked well to produce nice inverted curve! Andy
Subject: RAG – Triffid Antenna Hi Andy I asked a former colleague from work to help identify your antenna. He had direct oversight of the Ptarmigan and Triffid projects whilst…
This was mentioned on SARA mailing list – and then I saw someone selling one on ebay UK for £50, unused! This is effectively a 1.5m satellite dish which concentrates…
20 minutes of data
This is a wonderful little device! Portable, fully automatic but I have found benefits from a little post-processing – in this case I stacked images using PixInsight’s Weighted Batch Pre-Processing…
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