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Date: 19 Aug 2006 23:50:01
From: canopus56
Subject: Looking for software re: compute lat and long of features on solar system bodies
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Hi, after trying unsuccessfully to implement a javascript calculator of
North's method for estimating the solar system body lat and long of
sunsports, I was wondering if there is any existing software that does
this. E.g., put in the physical ephemeris data for the Sun, Mars,
Jupiter and Saturn, and the position angle and distance between the
disk's center and the feature, what is the body-centric latitude and
longitude? Thanks - Canopus56 P.S. - See North's Advanced Amateur
Astronomy at pp.262-264
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Date: 20 Aug 2006 01:48:42
From: John Carruthers
Subject: Re: Looking for software re: compute lat and long of features on solar system bodies
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canopus56 wrote:
> Hi, after trying unsuccessfully to implement a javascript calculator of
> North's method for estimating the solar system body lat and long of
> sunsports, I was wondering if there is any existing software that does
> this. E.g., put in the physical ephemeris data for the Sun, Mars,
> Jupiter and Saturn, and the position angle and distance between the
> disk's center and the feature, what is the body-centric latitude and
> longitude? Thanks - Canopus56 P.S. - See North's Advanced Amateur
> Astronomy at pp.262-264
Hi Canopus56, I know nothing of code but HNSky (author Han Kleijn) has
both RA/Dec and Alt/Az readouts. The code is freely available and the
site has many links to astronomy code writers.
http://www.hnsky.org/
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Date: 20 Aug 2006 11:04:49
From: canopus56
Subject: Re: Looking for software re: compute lat and long of features on solar system bodies
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"John Carruthers" <joncarruthers@hotmail.com > wrote in message
news:1156063721.941415.327330@i3g2000cwc.googlegroups.com...
> [HNSKY] has both RA/Dec and Alt/Az readouts.
> The code is freely available and the
> site has many links to astronomy code writers.
> http://www.hnsky.org/
Sounds like you are talking about the celestial coords and not the planetary
lat and long., but thanks for the tip. I'll look at it. - Canopus56
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