* Astronomy

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HD 117287

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RE: R Hydrae

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Maxima of the variable star R Hydrae on the 16th March 2014.

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Maxima of the variable star R Hydrae on the 21st February, 2013.

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R Hydrae, also known as R Hya, is a Mira-type variable star in the constellation Hydra.
The magnitude of R Hydrae varies over a period of 389 days, between 3.21 and 11.00. The period of R Hydrae changes slowly.
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R Hydrae is at maxima on the 22nd April, 2012.

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Maxima of the variable star R Hydrae on the 28th January, 2012.

Magnitude: 3.5 - 10.9
Period: 388.9 days
Type: Mira

Position (2000):    RA 13 29 42.78187 | Dec -23° 16' 52.7747''

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Sketch of R Hydrae using a 60mm refractor

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Maxima of long period variable R Hydrae on the 21st November, 2011

Magnitude range: 4.5-9.5
Period: 385 days
Type: Mira

Position (2000): RA 13 29 42.78187 | Dec -23° 16' 52.7747''

Google earth file: R Hydrae.kmz (1kb, kmz)