【實用旅遊app】Nautical Almanac|最夯免費app

Celestial navigation - Astronavigation

Nautical almanac:

- Equatorial geocentric coordinates: RA/GHA, Declination for Sun, Moon, and navigational stars and planets .

- SD, HP

- SHA

- GHA Aries

Visible sky:

- Identification of stars and planets - it plots the visible sky from a position at a certain moment.

- Polar and horizon chart.

v2.0_____________________

Planning observation:

- Twilight

- Rise/set for Sun and Moon

- Meridian passage

Solar time:

- GAT, LAT, LMT

- Equation of time

Sidereal time (Aries):

- LHA, GAST, LAST

v3.0_____________________

- Lunar distances

Manual and examples in the developer's website.

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免費玩Nautical Almanac App

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