Hi All, Here are two drawings, one with a 18" from Atacama, the second with my 25" Obsession from southern Alps. The first, of course, under pristine sky, the second under a rather good one. Report here: http://www.deepsky-drawings.com/ngc-2440/dsdlang/fr Clear skies Bertrand http://www.deepsky-drawings.com/ NGC-2440-T450-vs-T635-BL-1.jpg
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