Yellow giant · Pisces

Alpherg

Also known as: η Piscium (η Psc), HIP 7097

mag 3.6350 light-years

About

Alpherg (η Piscium) is a yellow giant of magnitude 3.6 in Pisces, about 350 light-years away.

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How to find it

  • Alpherg is in the constellation Pisces.
  • Best evenings: around late November it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
  • Where on Earth: it is seen well, at least 10° up, from north of 65° S.

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When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.

What you will see

  • EyesVisible from the suburbs on a clear night, but lost in bright city skies.
  • Binoculars (10×50)A sharp point; binoculars bring out its colour and the fainter stars around it.
  • Telescope (6–8 inch)Still a point of light at any magnification — stars are too far away to show a disc. Low in the sky, bright stars twinkle and flash colours.

Stars look the same in any instrument: brighter and sharper, but never bigger.

Facts

Proper nameAlpherg
Designationη Piscium (η Psc)
Hipparcos numberHIP 7097
TypeYellow giant
Spectral typeG8III
ColourPale orangeB−V colour index 0.97
Magnitude3.6The smaller the number, the brighter.
Distance350 light-yearsThe light you see left it around 1680.
Proper motion0.026″ per year across the sky
ConstellationPisces
Right ascension (J2000)01h 31m 29.0s
Declination (J2000)+15° 20′ 45″

More in Pisces

Sources and credits

Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →