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searching for Sight reduction 4 found (19 total)

List of stars for navigation (2,572 words) [view diff] exact match in snippet view article find links to article

each other, known time in relation to the prime meridian and a set of sight reduction tables) an actual latitudinal and longitudinal positional fix. For

Seamanship (3,285 words) [view diff] exact match in snippet view article find links to article

planets, moon, stars, sun and using the data with a nautical almanac and sight reduction tables to determine positions. Accurate time information is also needed

HM Nautical Almanac Office (323 words) [view diff] case mismatch in snippet view article find links to article

(jointly with the USNO) The Star Almanac The UK Air Almanac Rapid Sight Reduction Tables for Navigation Planetary and Lunar Coordinates HMNAO website

Navigation (7,333 words) [view diff] exact match in snippet view article find links to article

Hemisphere by sighting the pole star (Polaris) with a sextant and using sight reduction tables to correct for height of eye and atmospheric refraction. The