Sextant Pro на пк

1. Enter a sight — the body, the precise UTC time of the mark, your sextant altitude, your height of eye — and Sextant does the rest: almanac lookup, altitude corrections (dip, refraction, semi-diameter, parallax), intercept-method reduction, and an on-screen plotting sheet you can read like the paper original.

2. • AR sextant — line up the body in your camera and the device records the altitude (calibrate against a known horizon first).

3. • Apple Watch companion: one-tap MARK captures the exact moment of a sight, then sync to your phone to finish the entry.

4. • Demo voyage — tap "Try a sample voyage" for a 3-day Hawaiian Passage with five Sun sights, two noon runs, three Polaris obs, and three computed fixes.

5. The ephemeris is computed from Meeus, VSOP87, and ELP-2000 algorithms — there are no almanac files to update, no annual app refresh.

6. • Sky Tonight — table of every body above your horizon right now, plus a "Chart" view showing star positions on a stereographic dome.

7. • Sync across iPhone, iPad, Mac, and Apple Watch via your private iCloud database.

8. • Built on the published Nautical Almanac — every algorithm is graded against JPL Horizons values to arc-minute precision.

9. Sextant is a modern celestial-navigation logbook and sight-reduction calculator for sailors, students, and anyone who wants to know where they are without a GPS.

10. • Localized in French, Spanish, German, and Norwegian Bokmål (body names and nav abbreviations stay in their nautical-standard form).

11. • Chart overlays — import GPX or KML route/waypoint files and they render directly on the plot sheet.

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