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Re: Index error check Question
From: Rick Emerson
Date: 1998 Dec 12, 18:40 EST
From: Rick Emerson
Date: 1998 Dec 12, 18:40 EST
WSMurdoch@XXX.XXX writes: > In a message dated 12/12/98 2:01:27 PM EST, rick@XXX.XXX writes: > << The question, then, is where is the extra 1.5' or 2.0' coming from and why > does it vary from one instrument to the other? >> > > Are you perhaps watching the semidiameter of the sun changing ? For instance > on August 25 the Nautical Almanac lists the sun's semidiameter as 15.8' and > today, December 12, it lists the semidiameter as 16.3'. Were both > observations taken on the same day ? That's a good point but... The initial sights were taken within several minutes of each other and then re-checked within a minute or two of each other. In short, this is not an issue of the distance from the Earth to the Sun. Rick S/V One With The Wind, Baba 35 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-= =-= TO UNSUBSCRIBE, send this message to majordomo@XXX.XXX: =-= =-= navigation =-= =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=
