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home Lymm Observatory railway signalling shortcuts lightcurves optimal photometry signal box diagrams |
Welcome to my web pages! I hope you find something of interest here concerning one of my hobbies. IC434 (Horsehead Nebula), 21 Dec 2009, stack of 100 x 30s exposures, 30 cm SCT at f/6.3 and MX916 camera. email me
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latest updates Mersey Bore at Warrington, 7 May 2012 (57 Mb) |