R Hydrae

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R Hydrae, abbreviated R Hya, is a single star in the equatorial constellation of Hydra, about 2.7° to the east of Gamma Hydrae. It is a Mira-type variable that ranges in apparent visual magnitude from 3.5 down to 10.9 over a period of 389 days.

Excerpt from the Wikipedia article “R Hydrae”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: IR: NASA/JPL-Caltech/T. Ueta (U. of Denver); Artist Concept: NASA/JPL-Caltech/T. Pyle (SSC/Caltech), Public domain, via Wikimedia Commons.