About Celestial Navigator
Celestial Navigation Calculator with - perpetual Almanac - star finder chart with animation. Use phone sensor for altitude. - calculation of lines of position ( intercept/delta ) - celestial object data - meridian passage...
Celestial Navigation Calculator with - perpetual Almanac - star finder chart with animation. Use phone sensor for altitude. - calculation of lines of position ( intercept/delta ) - celestial object data - meridian passage calculation - running fix support - astronomical position calculations with two or more altitude observations - Hipparchus 150 star catalog - World chart with lines and position Program can be set to use device's sensors (gyro, compass) to position the star finder chart in real time. Capture celestial object approximate altitude. Correct Altitude with a Marine Sextant reading (not included). You still need a marine sextant to do celestial navigation, but the phone sensors may be used for training. Software for iPhone and iPad, with the same features. e-book with manual and celestial navigation tutorial.
Version History Larger Texts. Minor corrections Updated Delta-T table Corrected link to open e-book with default browser 4.0 May 11 - Dark mode, better suited for dusk time use - Moved the main menu to the top - Fixed saving of Lines of Position to file 3.6 11/01/2022 - interface redesigned ( dark look ) - Help hints to guide navigation workflow - e-Book with celnav theory and app usage. Now open with external PDF viewer 3.0 02/18/2020 - organized workflow and interface - iphone X resolution fix - improved stability 2.8 03/25/2019 - fixed LOP transport on iphone 2.7 01/09/2017 -fixed problem in star finder animation -fixed misplaced label 2.6.2 01/03/2017 - fixed startup crash on iOS 10 - fixed problem in map pinch gesture 2.6 11/30/2016 - Auto orientation of star finder chart, using device sensors (compass and gyro) Point device to the star to see its name. - Get approximate star altitude, also using device sensors. Note that it is no substitute for the sextant, which is more precise - Display of world maps in both situation charts. Used GSHHS charts. - Pan and pinch gestures in the situation charts (zoom and pan) - Fixed a couple issues with iOS 9.x 2.5 12/09/2015 - fixed incompatibility with iOS 9 ( previous version crashed at start time on iOS9 ) 2.1.4 10/02/2015 Now runs on iphones, with same features. Pinch and drag gesture on the star chart to zoom. Custom design for each device model. Fixed a few bugs 2.0.3 09/10/2015 -bugs fixed -interface design changes 1.5.1 09/08/2014 - Improved stability (bug fix) - iOS 7 compatible style - revised help text 1.2.1 03/07/2014 1.0.0 09/10/2013
Previous Versions
Here you can find the changelog of Celestial Navigator since it was posted on our website on 2023-09-05 23:40:59.
The latest version is 4.0 and it was updated on 2026-06-23 18:51:16. See below the changes in each version.
Celestial Navigator version 4.0
Updated At: 2026-06-02
Changes: Version History Larger Texts.
Minor corrections
Updated Delta-T table
Corrected link to open e-book with default browser 4.0 May 11 - Dark mode, better suited for dusk time use
- Moved the main menu to the top
- Fixed saving of Lines of Position to file 3.6 11/01/2022 - interface redesigned ( dark look )
- Help hints to guide navigation workflow
- e-Book with celnav theory and app usage. Now open with external PDF viewer 3.0 02/18/2020 - organized workflow and interface
- iphone X resolution fix
- improved stability 2.8 03/25/2019 - fixed LOP transport on iphone 2.7 01/09/2017 -fixed problem in star finder animation
-fixed misplaced label 2.6.2 01/03/2017 - fixed startup crash on iOS 10
- fixed problem in map pinch gesture 2.6 11/30/2016 - Auto orientation of star finder chart, using device sensors (compass and gyro)
Point device to the star to see its name.
- Get approximate star altitude, also using device sensors.
Note that it is no substitute for the sextant, which is more precise
- Display of world maps in both situation charts. Used GSHHS charts.
- Pan and pinch gestures in the situation charts (zoom and pan)
- Fixed a couple issues with iOS 9.x 2.5 12/09/2015 - fixed incompatibility with iOS 9
( previous version crashed at start time on iOS9 ) 2.1.4 10/02/2015 Now runs on iphones, with same features.
Pinch and drag gesture on the star chart to zoom.
Custom design for each device model.
Fixed a few bugs 2.0.3 09/10/2015 -bugs fixed
-interface design changes 1.5.1 09/08/2014 - Improved stability (bug fix)
- iOS 7 compatible style
- revised help text 1.2.1 03/07/2014 1.0.0 09/10/2013
Celestial Navigator version 3.6
Updated At: 2022-11-01
Changes: Nov 1, 2022
Version 3.6
- Dark mode, better suited for dusk time use
- Moved the main menu to the top
- Fixed saving of Lines of Position to file
Celestial Navigator version 3.6
Updated At: 2022-11-01
Changes: - Dark mode, better suited for dusk time use
- Moved the main menu to the top
- Fixed saving of Lines of Position to file
Disclaimer
Official App Store Link
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