EXPLORING THE SOUTH ATLANTIC AS A CELESTIAL NAVIGATOR TURNS INTO A THREE-YEAR QUEST FOR A LITTLE-VISITED ARCHIPELAGO, BY KATE SCHNIPPERING

1 Dec 00:00 AEDT (30 Nov, 13:00 UT) 15 Dec 23:00 AEDT (12:00 UT) 31 Dec 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

For those dreaming of the joys of owning a yacht, Nick Ridley offers encouragement as well as a look at the harsher reality of financing your dreams

1 Thursday The Moon’s libration makes it favourable for viewing features near the southern pole today. At 21:06 UT, Saturn’s largest moon, Titan, can be seen emerging from behind Saturn’s disc. Callis

Topping up the batteries with solar power has never been easier, says Ali Wood, but how do you decide which type to buy?

Understanding buoyage and how to use it is ...