There is another important issue about "accurate time" that is just as important here with satellites as it is with occultations.. Do the best you can and use what you have, but strive to be accurate and to do what is possible to improve that accuracy, i.e. you might have to buy more equipment.. (Not a new concept in anything Astronomy..) One thing we (ok I) do not want to do is inadvertently talk someone out of observing. "I can't do that because I don't have the right equipment." Of course you can! What you can't do is observe with a stopwatch and binoculars and claim an accuracy of 0.01s, but you can acquire a bunch of points on any given pass accurate to +/- 0.3s. Observe with the equipment you have and do the best you can. The trick is solely to not overstate your accuracy. It is my belief that simply always including a message about the method used to acquire the data allows those who manipulate the data to make a determination as to the accuracy, regardless of the stated accuracy from the observer. Simple statements like "I used a stopwatch set to my computer clock", "I used the phone to get time", or "I recorded WWV time ticks on the audio track of the video". All of these carry an inherent level of accuracy to absolute time that those who generate elsets from the observations would know from experience. Respectively submitted for discussion.. Derek _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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