Over the coming weeks we will feature, in no particular order, each of the final 16 selected images and winners will be announced by Royal Museums Greenwich on 17 September. The winning images are to be showcased at the Royal Observatory Greenwich in an exhibition opening 18 September.
This glorious image of the core of Local Group galaxy Messier 33 (NGC 598) in the constellation Triangulum was captured from Almere, Flevoland, Netherlands by astrophotographer Michael van Doorn — winning image of the Galaxies category in the Insight Astronomy Photographer of the Year competition 2015.
In 1884, a delegation of international representatives convened in Washington, D.C. to recommend that Earth’s prime meridian marking zero degrees longitude should pass through the Airy Transit Circle (ATC) at the Royal Observatory in Greenwich, England. But according to the GPS receivers of surveyors and smartphones of London tourists today, why does the line of zero longitude run 102 metres east of the ATC?
David Tolliday’s stunning image of the Orion and Running Man Nebulae was captured on his first night’s attempt at astrophotography — winning image of The Sir Patrick Moore Prize for Best Newcomer category in the Insight Astronomy Photographer of the Year competition 2015.