☀️♈︎➡️°

#celestial longitude #ecliptic coordinate system #sun path #vernal equinox #aries #degrees #astronomical angle #position measurement

⭐�📍

#astrometry #star mapping #celestial navigation #position measurement #sextant #celestial coordinates

🌍↗️🌃🔢

#sky grid #celestial mapping #azimuth #altitude #horizontal coordinates #local sky #position measurement