價格：免費
檔案大小：130.6 MB
版本需求：系統需求：iOS 11.4 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Simply select date and time and all values are recalculated instantly. The estimated elevation value is only needed for calculating sunrise/sunset, twilights 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 age.
*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.
