The Geology of South Devon. Devon marble features in Northampton's splendid Victorian Guildhall and Bob Purser will describe the conditions underwhich this limestone was laid down during the Devonian period, the geology between Torquay in the south and emplaced Dartmoor granite in the north and the covering Triassic red sandstones seen in the railway cuttings at Dawlish and Teignmouth.

TELESCOPIC TOPICS A meeting comprising member contributions on various astronomy themes. Your chance to show the section observations you have made, equipment you are using or anything else that has interested you enough to share it with the section. Guests are very welcome.

180 YEARS OF PHOTOSHOPPING by Sue Clark The camera never lies but the photograph can! This lavishly illustrated talk looks at how and why photographs have been edited for at least 180 years. This lecture is presented by Sue Clark via Zoom. Join us in the Humfrey Rooms in the company of other members or check our web site for the Zoom link.

THE BURGESS SHALES THEIR FOSSILS AND THE CAMBRIAN EXPLOSION by Ian Clarke High in the Rocky Mountains of Canada are found the Burgess Shales one of the world's most important and enigmatic fossil deposits. Ian will tell us about his exciting journey to the Rocky Mountains in search of the Burgess Shales and then will explain their significance in our developing understanding of the Cambrian explosion.

EXPLORING THE SOCIETY'S COLLECTIONS. The society has important collections including butterflies, shells, eggs, sands, microscope slides, rocks, minerals and Northamptonshire fossils. This is a great opportunity to look at our extensive collections, to draw, study them or just appreciate their beauty. Also, if you wish to assist us conserving or documenting you would be welcome.

MAKING SLIDES OF EVERYDAY MATERIALS Different materials often need slightly different treatment. We shall look at various everyday items and decide how best to make a preparation of the item or substance for studying under the microscope.

PRINT COMPETITION - COLOUR AND MONO This year, as agreed at the AGM, the competition will consist of a colour and a mono competition. Up to 4 entries per member per round for each of the competitions. Round 2 of 3.

A FAMILY THROUGH OLD GLASS SLIDES We take a first look at a set of large format monochrome glass slides of what appears to be a family and their surroundings taken possibly at the very beginning of the last century.

STARGAZING EVENING Please check our web site for further details and location. A chance to look through a selection of our telescopes at celestial objects. Meeting is weather dependent.

40 YEARS ON - PART 2 AN OVERVIEW OF THE SECOND 20 YEARS OF MY TIME AT THE NNHS by Nick Hewitt Nick concludes his journey through his time at the NNHS with this second instalment after his fascinating first instalment. Guests and visitors welcome.