Latest Update - Big Improvement
Replaces the need for your physical almanac. Gives you all the data you need to calculate your LOP.
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.
-
Is Perpetual Nautical Almanac legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Thanks for the vote -
How much does Perpetual Nautical Almanac cost?
Perpetual Nautical Almanac is free.
-
What is Perpetual Nautical Almanac revenue?
To get estimated revenue of Perpetual Nautical Almanac app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
App is not rated in Malaysia yet.
Ratings History
Perpetual Nautical Almanac Reviews
Won’t open
App won’t open on iPhone 11 with OS 14.6. I want a refund!
Not worth the money
Took a chance and found it wasn’t worth the money. Zero instructions and no support via the app or on the developer’s website. Spend your money on something else.
Store Rankings
Ranking History
App Ranking History not available yet
Category Rankings
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Rank
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Top Paid
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6
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Top Paid
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37
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Top Paid
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51
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Top Paid
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54
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Top Paid
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54
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Perpetual Nautical Almanac Installs
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Perpetual Nautical Almanac Revenue
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App Info
- Category
- Navigation
- Publisher
- RPA Technologies
- Languages
- English
- Recent release
- 2.0 (3 months ago )
- Released on
- Oct 10, 2019 (5 years ago )
- Also available in
- United States , Spain , Mexico , Malaysia
- Last Updated
- 1 day ago
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