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Sunrise, sunset times.
"Ian Smith" wrote in
: Is there a formula for sunrise and sunset times at a given date at a given latitude and longitude? regards, Ian Smith, Renfrew, Scotland. If you can work with BASIC code, download the file SUNUP.BAS form the list on this Sky&Tel webpage http://skyandtelescope.com/resources...icle_326_2.asp Martin |
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"Martin Lewicki" wrote in message
... "Ian Smith" wrote in : Is there a formula for sunrise and sunset times at a given date at a given latitude and longitude? regards, Ian Smith, Renfrew, Scotland. If you can work with BASIC code, download the file SUNUP.BAS form the list on this Sky&Tel webpage http://skyandtelescope.com/resources...icle_326_2.asp Martin Thank you for that, Martin. I have done some BASIC before and will pick at that one to deduce the original mathematical formula on which it is based. Would like to make up spreadsheet based on formula, with some slider bars to mess around with the variables. I like doing that kind of stuff. Definately beats watching the TV! cheers, Ian |
#3
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"Martin Lewicki" wrote in message
... "Ian Smith" wrote in : Is there a formula for sunrise and sunset times at a given date at a given latitude and longitude? regards, Ian Smith, Renfrew, Scotland. If you can work with BASIC code, download the file SUNUP.BAS form the list on this Sky&Tel webpage http://skyandtelescope.com/resources...icle_326_2.asp Martin Thank you for that, Martin. I have done some BASIC before and will pick at that one to deduce the original mathematical formula on which it is based. Would like to make up spreadsheet based on formula, with some slider bars to mess around with the variables. I like doing that kind of stuff. Definately beats watching the TV! cheers, Ian |
#4
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"Ian Smith" wrote in
: "Martin Lewicki" wrote in message ... "Ian Smith" wrote in : Is there a formula for sunrise and sunset times at a given date at a given latitude and longitude? regards, Ian Smith, Renfrew, Scotland. If you can work with BASIC code, download the file SUNUP.BAS form the list on this Sky&Tel webpage http://skyandtelescope.com/resources...icle_326_2.asp Martin Thank you for that, Martin. I have done some BASIC before and will pick at that one to deduce the original mathematical formula on which it is based. Would like to make up spreadsheet based on formula, with some slider bars to mess around with the variables. I like doing that kind of stuff. Definately beats watching the TV! cheers, Ian Try this link too. Go to #20 "Rise and Set Times" http://www.stjarnhimlen.se/comp/ppcomp.html Martin |
#5
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"Ian Smith" wrote in
: "Martin Lewicki" wrote in message ... "Ian Smith" wrote in : Is there a formula for sunrise and sunset times at a given date at a given latitude and longitude? regards, Ian Smith, Renfrew, Scotland. If you can work with BASIC code, download the file SUNUP.BAS form the list on this Sky&Tel webpage http://skyandtelescope.com/resources...icle_326_2.asp Martin Thank you for that, Martin. I have done some BASIC before and will pick at that one to deduce the original mathematical formula on which it is based. Would like to make up spreadsheet based on formula, with some slider bars to mess around with the variables. I like doing that kind of stuff. Definately beats watching the TV! cheers, Ian Try this link too. Go to #20 "Rise and Set Times" http://www.stjarnhimlen.se/comp/ppcomp.html Martin |
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