Rainer Kresken wrote (with regard to observing ISS transits in front of the sun): >and how do I know what the course of the groundpath is and when a transit >occurs close to my home? to the best of my knowledge there are a few programs available and a website or two which can handle this problem. I use my very own program, SatCal, which apart from transits does a few other useful things like flare calculations and launch orbits. It's Open Source Freeware and identical versions exist for Windows and Linux. I still have to put it properly on a website for download (only a fairly ancient version - Windows exe only - exists on www.aaw-darmstadt.de/download) but I'm happy to e-mail the latest version to whoever is interested. Of course - no matter what program you use - you have to get into the habit of regularly checking for such transits. I have caught myself often enough to ignore it for months at a time until all of a sudden I seem to remember these kind of observations! Gerhard HOLTKAMP Darmstadt, Germany ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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