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Open Cluster Messier 18 | by The Dark Side Observatory
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Open Cluster Messier 18

It's hard to be in the spotlight when you are in the shadow of the Omega Nebula. This image is an attempt to show the small open cluster Messier 18 (M18) in the lower right corner of the image. M18 has a magnitude of 7.5 and contains over a dozen bright stars.


Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount, Canon 6D stock camera, ISO 3200, 14 x 60 second exposures with dark/bias frames, guided using a ZWO ASI290MC and Orion 60mm guide scope. Image date: October 1, 2018. Location: The Dark Side Observatory, Weatherly, PA, USA.

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Taken on October 4, 2018