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A rare nova visible to the eye. See it while you can!

10 Aug 2021, 22:05 UTC
A rare nova visible to the eye. See it while you can!
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View at EarthSky Community Photos. | Filipp Romanov in Yuzhno-Morskoy, Russia, captured this photo of RS Ophiuchi – a rare nova visible to the eye – on August 10, 2021. He wrote: “Recurrent nova RS Oph in outburst. I observed it with the unaided eye and estimated it at +4.6 mag. I took photos from my small hometown on August 9, 2021, from 15:19 to 15:22 UTC. I had been waiting for several hours, and the sky cleared for a few minutes.” Thank you, Filipp.
A rare nova visible to the eye
On August 8, 2021, the star RS Ophiuchi burst into view in Earth’s sky as what astronomers call a nova. It’s a rare nova visible to the unaided eye. It’s nowhere near as bright as the brightest stars. But, in a dark sky, you can see it shining in the constellation Ophiuchus the Serpent Bearer. Earlier this week, the nova was said to have brightened to magnitude 4.3. If true, that would be huge amount of brightness increase for this star. RS Oph normally shines at around a magnitude of 12. It’s usually much too dim to see with the eye or even most backyard telescopes. But a ...

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