astro

• ansiweather weather in terminal, with ANSI colors and Unicode symbols
• calcmysky simulator of light scattering by planetary atmospheres
• celestia free space simulator and planetarium
• dgpsip Differential GPS over IP communication device
• gcal calculate and print calendars
• gnuastro GNU Astronomy Utilities
• jday astronomical julian date calculator
• kstars planetarium simulator for KDE
• libnova astronomic computations as a library
• phoon displays the phase of the moon in ascii
• py-astral calculations for the position of the sun and the moon
• py-astropy community-developed python astronomy tools
• py-de421 JPL Planetary and Lunar Ephemeris DE421 for jplephem
• py-erfa Python wrapper for ERFA
• py-jplephem use a JPL ephemeris to predict planet positions
• py-metar Python module to access NOAA's METAR weather reports
• py-sgp4 Python implementation of SGP4 satellite tracking algorithm
• py-skyfield computes positions for the stars, planets, and satellites
• siril astronomical image processing tool
• stellarium free open source planetarium
• sunclock display the phase of the Sun on a map of the Earth
• wcslib implementation of the FITS WCS standard
• wmglobe wm-dockapp; displays the earth on an icon
• wmmoonclock wm-dockapp; shows the moon phase
• wmspaceweather wm-dockapp; space weather monitor
• wmsun wm-dockapp; shows sunrise/sunset times
• xearth set the root window to the image of earth
• xephem interactive astronomical ephemeris
• xphoon set the root window to the moon in its current phase
• xworld earth as seen from the direction of the sun