> ... even without atmospheric lensing- the earth's > "shadow" would not be sharp. Pardon me if I'm behind the curve on this, but I guess the discussion is about the umbral shadow. Iridflar gives predictions for penumbral Iridium flares. I don't know if I've seen one yet; I see such a prediction only rarely. Could a satellite just skimming the inside edge of the umbra still be illuminated as the Moon is during totality? Sunday PM was cloudy. Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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