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Get the last version of Sight reduction from Maps & Navigation for Android. Celestial navigation - AstronavigationSight reduction: - Marcq Saint Hilaire Line of Position, intercept method (p=Ho-Hc, Zn) - Input for observed altitude Ho or instrumental Hs (Nautical... Read More.

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Sight reduction
Sight reduction

Sight reduction   Description

Latest Sight reduction apk Download. Celestial navigation - Astronavigation

Sight reduction:
- Marcq Saint Hilaire Line of Position, intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs (Nautical Almanac data needed for the Sun and the Moon)
- Calculator: altitude Hc and azimuth Zn
- Running fix
- Plots up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Local hour angle (LHA)

Sight reduction is the process of deriving from a sight the information needed for establishing a line of position.
This app is a calculator to get the intercept from the assumed position of the observer AP(latitude, longitude), the geographical position of the celestial body observed, GP(Dec, GHA), and its corrected altitude Ho.
Manual and examples in the developer's website.

Ref: https://en.wikipedia.org/wiki/Sight_reduction

User interface:
- Zoom buttons +/-
- Map types: standard, terrain, and satellite
- GPS location. ("Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible) Download and setup Play Store APK file or download and install obb original from GooglePlay AppStore.

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