Because they are there, and easy to see compared to other stuff in the night sky like supernova, comet's and asteroid's. Look at how many of them, you can see with just the eye's. It's fun to watch the no longer used geo sat's flash, and see how long it takes between flashes. Then I know if the geo sat's, are taking more are less time between flashes over time, and thus which one's not worth observing for awhile. Also nice to watch iridium flares and flashing sat's. Only pain to sat observing, is when I unid show's up. Kevin _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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