Semi-regular and Mira stars

Alpha Ori (Betelgeuse)


090204.DAT 


070304.DAT 



090304.DAT

Mu Cephei

Cephei (HD 206936), the Herschel's ``Garnet Star'', is a fourth-magnitude M-supergiant in southern Cepheus near the IC 1396 nebula complex. This is semi-regular pulsating star of spectral type M2Iae. The variation range is between m=3.6-5.1 (periods of 2 and 12 years) .

Position (J2000):     R.A.= 21 43 30      Dec. =  +58 46 48
 

 

Click on the image to enlarge.

R Leo

A classical Mira star at maximum.

Click on the image to enlarge.