I made a new sheet with the Excel plot I suggested. Since names with spaces are not easily copied/clicked, I renamed it to www.algonet.se/~b_gimle/programs/GeoFlare.xls (Note still underscore in b_gimle !) ----- Original Message ----- From: "Björn Gimle (GlocalNet)" <bg_26934@glocalnet.net> To: <seesat-l@satobs.org> Sent: Wednesday, September 26, 2007 10:29 AM Subject: Re: 2007 Autumnal Geosat Flare Season >I also have tables, in the form of an Excel spreadsheet > which can easily be graphed. > Even more handy is that the table can be directly pasted into > SkyMap's DEEPSKY.TXT file. The data in the sheet > show the outline of the Earth's shadow, and the > 'anti-solar' point from where most bright geoflares > appear to come. Thus you can also get predictions > for your favourite sats in the same graph. > So, look at the point closest to the anti-solar point, > but outside the shadow circle. > > The file is now on > www.algonet.se/~b_gimle/programs/Radius of Earth umbra.xls > > You enter obvious(?) values in the yellow fields, and get RA/Dec for the > shadow edges in the green fields. > C11 and D11 is the RA and decl of the point opposite Sun, but same decl, > where n equator-pointing panel is most likely to flare. > C12:D15 show the right/top/left/bottom edge of the shadow, > the rest are scattered according to B10 along the circle (ellipse) > > Let me know if you want a better description ! > > /Björn > > > ----- Original Message ----- > >> The last couple of years I provided star charts; >> this year it is tables! These tables will tell an >> observer, based on their latitude and date where and >> when to look in the night sky to maximize their chance >> of seeing a flaring geosat. > > > ------------------------------------------------------------------------- > Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: > http://www.satobs.org/seesat/seesatindex.html > ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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