On the meridian starting north and going south you will find Cassiopeia, Andromeda, Pisces and the head of Cetus.
Figure 26: November constellations near the meridian.
Due east of Cassiopeia is the constellation of another mythical hero Perseus. It contains a very interesting star known as Algol, The Demon Star (see Figure 26 for its location). It gets its name from two facts: 1) it is reddish in color and 2) it varies in brightness. The brightness variation goes through a full cycle of brightest to dimmest and back to brightest every 2 days and 21 hours.
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