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Re: Averaging
From: Fred Hebard
Date: 2004 Oct 20, 23:14 -0400
From: Fred Hebard
Date: 2004 Oct 20, 23:14 -0400
On Oct 20, 2004, at 7:09 PM, Bill wrote: > My question, is there a rule of thumb that might indicate when > averages are > acceptable and when not. For example, for error of .4' or less (due > totally to systematic errors from averaging) difference between > latitude and > declination, plus altitude should exceed 60d (or any other number that > the > gurus decide is reasonable? > Bill, I'm no guru, let me assure you, but as best as I can tell, as long as you're 10 minutes away from meridian passage, averages or a straight line are fine, regardless of declination and latitude. This is for short periods, such as 5 minutes. Fred
