價格：免費
更新日期：2019-03-25
檔案大小：67.8 MB
目前版本：2.8
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Celestial navigation application with
- perpetual almanac
- star finder chart, with animation
- calculation of lines of position ( intercept/delta )
- celestial object data
- meridian passage calculation
- running fix support
- astronomical position calculations, with two or more star observations
- Hipparchus 150 star catalog
Program can be set to use device's sensors (gyro, compass)
to position the star finder chart in real time.
Record celestial object approximate altitude.
Note that you still need a sextant to do celestial navigation, but the phone
sensors may be used for training
The same software runs on iPads and iPhones, with the same features.
e-book with manual and celestial navigation tutorial included.
支援平台：iPhone, iPad