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| The open star-clusters - Messier 35 and NGC 2158. Captured with the Observatory's Seestar S30. Credit: Pip Stakkert. |
"Messier 35 is an open star cluster in the constellation Gemini, and covers approximately the same amount of sky as the full Moon. It is relatively nearby at 2,930 light years distant. The cluster is relatively young and is estimated to have formed from a collapsing cloud of cold gas and dust approximately 100 million years ago. The compact star cluster NGC 2158 (visible bottom right) is much further away, 11,000 light years distant and much older, estimated to have formed some 2 billion years ago". - Joel Cairo CEO of the Jodrell Plank Observatory
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