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.
Omega (ω) Centauri, or NGC 5139, is the brightest and largest globular cluster. This showpiece object of the southern sky is captured here in all its glory by astrophotographer Ignacio Diaz Bobillo — winning image of the Stars & Nebulae category in the Insight Astronomy Photographer of the Year competition 2015.
Our twelfth nomination from the prestigious Insight Astronomy Photographer of the Year competition, an annual celebration of the most beautiful and spectacular visions of the cosmos by astrophotographers worldwide. The 2015 competition received 2700 spectacular entries from over 60 countries and the winners will be announced 17 September.
Three naked-eye planets – Mars, Jupiter and Saturn – grow in prominence in the dawn sky this month. If you wish to identify them for yourself, let the waning Moon be your celestial guide from 7–11 March. We also show you what to look for in binoculars and telescopes.