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elena's blog
Cloud Forecasts for Victoria, Australia
Sun, 2008-09-07 09:05 — elenaCheck out Cloud Forecasts for Astronomers for the story behind all this and how to generate your own cloud forecast maps using US GFS model data.
Also see Cloud Forecast Accuracy for comparisons of the forecast charts with actual satellite images.
Melbourne
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Astrophotography Test: Canon 20D/40D - ISO Setting - Sub-Exposure Length
Fri, 2008-03-28 16:53 — elenaHaving 'upgraded' to a Hutech modified Canon 40D Digital SLR, I was keen to see how it compared to my existing Hutech 20D and what the optimum settings were for ISO and sub-exposure length. The images and results here for the 20D and 40D should be comparable with a 350D and 450D respectively since they use the same sensor.
