Celestial Navigation slide rule demo скачать в хорошем качестве

Celestial Navigation slide rule demo

Computing position and time from sextant observations using a circular sliderule. More info: https://trmm.net/sunwheel Interactive versions of the sliderules: https://osresearch.github.io/sunwheel... and https://osresearch.github.io/sunwheel... Printable versions: https://osresearch.github.io/sunwheel... and https://osresearch.github.io/sunwheel... 00:00 Intro 00:27 Correcting noon sextant height and computing zenith angle 02:24 Computing declination at time of observation 03:37 Computing latitude from declination and zenith angle 04:31 Plotting latitude on chart 05:21 Computing Global Hour Angle of noon sight and approximate longitude 06:38 Correcting afternoon sextant height to observed height Ho 07:37 Computing local hour angle of afternoon sight 10:35 Computed Height Hc for Assumed Position and LHA 13:23 Computed Bearing Z for AP and LHA 16:03 Plotting intercept using Hc-Ho and Z 19:08 Lunar Time introduction 19:36 Sun observation corrections 21:05 Lunar observation semidiameter and parallax corrections 24:35 Lunar distance correction for semidiameter 27:29 Lunar distance correction for parallax and refraction using spherical triangle 31:26 Lunar time interpolation 33:14 Conclusion