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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Planetarium Software
From: Ken Muldrew
Date: 2005 Apr 11, 11:01 -0600
From: Ken Muldrew
Date: 2005 Apr 11, 11:01 -0600
On 11 Apr 2005 at 11:35, Michael Dorl wrote: > I know there are probably better > ways to do this using databases as pointed out on this list but I prefer > the computation method. Actually, I think the Swiss Ephemeris uses VSOP87 and then corrects the answer from a database; that's how they get such good compression (about 1MB for every 300 years IIRC). Not that it matters much but I suppose this approach gives one the best of both worlds. Ken Muldrew.
