[1878] alpha Cassiopeiae, Shedir or Shedar ("the breast") has a magnitude of 2.25 and is the second brightest star in the constellation. It is an orange giant more than 500 times brighter than the Sun.
Shedar, Alpha Cassiopeiae, lies in a thick portion of the Milky Way. Achird (Eta Cas) is just down and to the right, Mu and Theta are to the far left, and Zeta Cas is near the top center edge. North is down.
Alpha Cassiopeiae is called Shedir or Schedar, from the Arabic al-sadr meaning ‘the breast', which position it marks.
4 light-years (ly) from our Sun, Sol, in the central part (00:49:06.29+57:48:54.67, ICRS 2000.0) of Constellation Cassiopeia, the Lady of the Chair -- northeast of Schedar (Alpha Cassiopeiae) and southwest of Mu Cassiopeiae.
Schedir Alpha Cassiopeiae
Segin Epsilon Cassiopeiae
Seginus Gamma Bootis
Sham Alpha Sagittae
Shaula Lambda Scorpii
Sheliak Beta Lyrae
Sheratan Beta Arietis
Shurnarkabtishashutu Zeta Tauri
Sinistra Nu Ophiuchi
Sirius Alpha Canis Majoris ...
 See also: Sky, Sun, Constellation, Cassiopeia, Star
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