Celestial navigationW
Celestial navigation
AlmucantarW
Almucantar
Bris sextantW
Bris sextant
Circle of equal altitudeW
Circle of equal altitude
History of longitudeW
History of longitude
Lunar distance (navigation)W
Lunar distance (navigation)
Lunar distance (navigation)W
Lunar distance (navigation)
Mariner's astrolabeW
Mariner's astrolabe
Octant (instrument)W
Octant (instrument)
SextantW
Sextant
Sight reductionW
Sight reduction
Star trackerW
Star tracker
Star trackerW
Star tracker
List of stars for navigationW
List of stars for navigation
Sun sensorW
Sun sensor