Celestial Navigation – Plotting Your Position

Thanks to everyone who is still persevering with the Celestial Navigation notes. I hope you have picked up a few things. You might have noticed a couple of the videos that I have linked through to belong to the Vanderbilt University who have a fantastic free online Celestial Navigation course. They whip through the topics…

Celestial Navigation – Local Hour Angle

Boy today’s study has got me dusting off the cobwebs of my brain. I don’t like maths, and with the added complication of degrees, minutes and seconds… arraggh! So Local Hour Angle – LHA… “What is that!?” I hear you cry. Well let’s find out together…

Navigation – Position Lines

We take a short side track from our Celestial Navigation posts to do some quick revision on position lines and plotting positions on the chart. To work out our position by using a sextant sight, we first need to have an estimated position. This is worked out by using Dead Reckoning – or an educated…

Celestial Navigation – Where is the Sun?

A couple of years ago, myself and a group of friends were on a tiny island called Pitt Island in the middle of the South Pacific Ocean. We got up really early, and climbed up the top of a mountain to watch the sunrise. With the island’s 11 residents still fast asleep in the village…