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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Jupiter's Galilean moons for longitude
From: Alexandre Eremenko
Date: 2025 Dec 15, 14:45 -0800
From: Alexandre Eremenko
Date: 2025 Dec 15, 14:45 -0800
Lars,
Thanks for the reference. It is hard to believe that the "telescope must have power at least 40". You can chek this yourself if you have a standard 8x40 binocular. OK, let me try to time the eclipses from my balcony on a good night.






