Perpetual Nautical Almanac
Published by:
RPA TECHNOLOGIES SL
Description
Using the U.S. Naval Observatory NOVAS library and solar system ephemerides from JPL, high precision positions can be calculated in real-time from 1900 to 2050.
Simply select date and time and all values are recalculated instantly. The estimated elevation value is only needed for calculating sunrise/sunset, twilight, and moonrise/moonset.
The app provides the following functionalities:
*Aries: GHA position
*Sun:
-GHA/dec
- Astronomical dawn, nautical dawn, civil dawn, sunrise, sunset, civil dusk, nautical dusk, astronomical dusk, and meridian passage at Greenwich.
- Semidiameter
- Sunlight world map with the Sun and the Moon position.
*Moon:
- GHA/dec
- Moonrise/moonset and meridian passage at Greenwich.
- Semidiameter
- Moon phase and age of the Moon.
*Planets:
- GHA/dec for Venus, Mars, Jupiter, and Saturn.
*Stars:
- Magnitude, SHA/dec of 99 stars ordered by SHA.
*Corrections:
- Correction for the atmospheric refraction.
- Correction for the dip of the horizon.
- Parallax correction for the Moon, the Sun, Venus, and Mars.
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Simply select date and time and all values are recalculated instantly. The estimated elevation value is only needed for calculating sunrise/sunset, twilight, and moonrise/moonset.
The app provides the following functionalities:
*Aries: GHA position
*Sun:
-GHA/dec
- Astronomical dawn, nautical dawn, civil dawn, sunrise, sunset, civil dusk, nautical dusk, astronomical dusk, and meridian passage at Greenwich.
- Semidiameter
- Sunlight world map with the Sun and the Moon position.
*Moon:
- GHA/dec
- Moonrise/moonset and meridian passage at Greenwich.
- Semidiameter
- Moon phase and age of the Moon.
*Planets:
- GHA/dec for Venus, Mars, Jupiter, and Saturn.
*Stars:
- Magnitude, SHA/dec of 99 stars ordered by SHA.
*Corrections:
- Correction for the atmospheric refraction.
- Correction for the dip of the horizon.
- Parallax correction for the Moon, the Sun, Venus, and Mars.
Screenshots
Perpetual Nautical Almanac FAQ
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Is Perpetual Nautical Almanac free?
Yes, Perpetual Nautical Almanac is completely free and it doesn't have any in-app purchases or subscriptions.
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Perpetual Nautical Almanac is free.
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User Rating
App is not rated in France yet.
Ratings History
Perpetual Nautical Almanac Reviews
Store Rankings
Ranking History
App Ranking History not available yet
Category Rankings
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54
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55
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Top Paid
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91
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Perpetual Nautical Almanac Installs
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App Info
- Category
- Navigation
- Publisher
- RPA TECHNOLOGIES SL
- Languages
- English
- Recent release
- 2.0 (2 months ago )
- Released on
- Oct 10, 2019 (5 years ago )
- Also available in
- United States , Canada , Philippines , Poland , Peru , New Zealand , Norway , Netherlands , Nigeria , Malaysia , Mexico , Lebanon , Kazakhstan , Kuwait , South Korea , Japan , Italy , Pakistan , India , Portugal , Romania , Russia , Saudi Arabia , Sweden , Singapore , Thailand , Türkiye , Taiwan , Ukraine , Vietnam , South Africa , Dominican Republic , Argentina , Austria , Australia , Azerbaijan , Belgium , Brazil , Belarus , Switzerland , Chile , China , Colombia , Czechia , Germany , Denmark , United Arab Emirates , Algeria , Ecuador , Egypt , Spain , Finland , France , United Kingdom , Greece , Hong Kong SAR China , Hungary , Indonesia , Ireland , Israel
- Last Updated
- 6 days ago
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