sextant

A ReactiveUI navigation library for Xamarin.Forms

Celestial navigation toolkit. Can be used in a mobile phone or tablet (Celeste app for Android) without internet connection.

Creates the daily pages of a Nautical Almanac using Skyfield (Python 3)

Creates the daily pages of a Nautical Almanac using Skyfield (Python 3)

Creates the daily pages of a Nautical Almanac using Ephem (Python 3)

Functions for semigraphics similar to ABC80 (setdot, clrdot, dot), TRS-80, TeleText, Text-TV, & Viewdata using 3x2 blocks, and ZX81 (plot, unplot) using 2x2 blocks.

Ephemerides and sight reduction for the HP Prime calculator

High res images of Sextant Scales. Geometrically correct designs. Support for DIY sextant projects: A4-Sextant and A3-Octant paper instruments.

A ReactiveUI navigation library for WinUI 3

Integer-only C99 celestial navigation for sextant sight reduction, Sun/Moon/star almanacs, and position fixes, with no floating point or libm.

Celestial Navigator - offline software sextant. High-precision position fixing using Meeus & Standish algorithms. No GPS/GNSS or internet required

Creates the daily pages of a Nautical Almanac using Skyfield (Python 2)

Calculate the geographic position (latitude, longitude) on the Earth’s surface using a sextant measurement

Sextant calculator and emulator to determine your position without GPS

Convert an image to Unicode sextants / teletext block mosaics. NPM module.

Creates the daily pages of a Nautical Almanac using Skyfield and Ephem (Python 2)

Creates the daily pages of a Nautical Almanac using Ephem (Python 2)

Create Planetary Phenomena data and charts using Skyfield