Why it matters
Sun, moon, planet and star observations, sight correction and reduction, lines of position, fixes, noon sights, body identification and planning tools.
FEATURE SPOTLIGHT
Celestial navigation
Sun, moon, planet and star observations, sight correction and reduction, lines of position, fixes, noon sights, body identification and planning tools.
How CaptainCalc helps
Sun, moon, planet and star observations, sight correction and reduction, lines of position, fixes, noon sights, body identification and planning tools.
How CaptainCalc helps
How CaptainCalc helps
Celestial navigation keeps the important inputs, source details, warnings and saved result together, so you can understand what shaped the answer.
What you'll see
The screens below show the main parts of Celestial navigation and the result you can expect after completing the task.
What you need
Some tools need a completed vessel profile, installed offline data, an internet connection or Premium access. CaptainCalc tells you what is needed before you begin.
See the main screens
Practical learning and web tools
Continue learning
CaptainCalc is decision support. It never replaces approved stability data, loading computers, ECDIS, official publications, procedures or professional judgment.
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