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Re: Local solar time [message #39983 is a reply to message #39904]

Tue, 29 June 2004 08:00

Haje Korth
Messages: 651
Registered: May 1997

Senior Member

well, according to Craig's definition it is not; the difference is this RA
of sun thingy that I wanted to know what it is.

Cheers,
Haje

"David Oesch" <oesch@giub.nospam.unibe.ch> wrote in message
news:40e15caf$1@news.unibe.ch...
>
>> With some massaging, I think you can get what you want by using the
>> IDL Astronomy Library routines SUNPOS to compute the (RA, DEC)
>> position of the sun, and CT2LST, to compute the local mean sidereal
>> time, and then use the definition,
>>
>>
>>
> I got the Sun Azimuth and Sun zenith already, and use the LMST routine
> from the Johns Hopkins University/Applied Physics Laboratory to
> calculate the local mean sidereal time. Is the "local mean sideral time"
> the same as "local solar time"?
>
>> local hour angle of the sun = local sidereal time - RA of sun
>>
>>
>
>> [ in the proper units of course ]
>>
>> Craig
>>
>>
>>

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[Message index]

		Local solar time By: David Oesch on Mon, 28 June 2004 02:01
		Re: Local solar time By: David Fanning on Wed, 30 June 2004 06:29
		Re: Local solar time By: kuyper on Wed, 30 June 2004 05:59
		Re: Local solar time By: Craig Markwardt on Tue, 29 June 2004 16:36
		Re: Local solar time By: James Kuyper on Tue, 29 June 2004 13:19
		Re: Local solar time By: Craig Markwardt on Tue, 29 June 2004 12:13
		Re: Local solar time By: Craig Markwardt on Tue, 29 June 2004 11:58
		Re: Local solar time By: Craig Markwardt on Tue, 29 June 2004 11:54
		Re: Local solar time By: Michael Wallace on Tue, 29 June 2004 08:28
		Re: Local solar time By: Haje Korth on Tue, 29 June 2004 08:00
		Re: Local solar time By: Haje Korth on Tue, 29 June 2004 05:12
		Re: Local solar time By: David Oesch on Tue, 29 June 2004 05:12
		Re: Local solar time By: Haje Korth on Tue, 29 June 2004 05:09
		Re: Local solar time By: James Kuyper on Tue, 29 June 2004 04:51
		Re: Local solar time By: Craig Markwardt on Tue, 29 June 2004 02:48
		Re: Local solar time By: David Oesch on Mon, 28 June 2004 23:31
		Re: Local solar time By: Craig Markwardt on Mon, 28 June 2004 20:46
		Re: Local solar time By: Haje Korth on Mon, 28 June 2004 08:07

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