Alpha Cephei

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Abell 75 is a snap to locate less than Io east-northeast of 2.5-magnitude Alpha Cephei (Alderamin), the brightest star in its constellation, and 15' east-southeast of a 7.4-magnitude star.

Ethereal bubbles

The pole will be closest to Gamma Cephei (Errai) in about AD 4200, pass lovely double Xi ([xi]) Cephei (Kurhah) around the year 6700, come within a few degrees of Alpha Cephei (Alderamin) around 7500, and edge by Mu ([mu]) Cephei (Herschel's Garnet Star) around 8000.

Diamond anniversary: Mark the occasion with an exploration of royal riches

And centered midway between Deneb and Alpha Cephei is the large naked-eye dust cloud Le Gentil 3.

Scutum to Cassiopeia: the autumn Milky Way is rich in nearby clusters and nebulae

Look for it 5[degrees] southeast of Alderamin (Alpha Cephei).

Binocular showpieces for light-polluted skies: over a bright city or suburb, some sky sights shine through better than others

As the NCP travels down the middle of the "house" of Cepheus, it slips between Iota ([iota]) Cephei and Alfirk, or Beta ([beta]) Cephei, before closing within 2[degrees] of Alderamin (Alpha Cephei) in AD 7500.

Polestars of the future: a journey in a celestial time machine! Thousands of years from now, will celestial navigators have good stars to steer by?

Regulus, Vega, and Alderamin (Alpha Cephei) rotate about their axes roughly twice a day.

Resolving the faces of stars

Aries, the Ram, sports 2.0-magnitude Hamal, and high in the north Cepheus, the King, sparkles with 2.5-magnitude Alderamin (Alpha Cephei).

Savoring a season of dimmer stars

But Alderamin (Alpha Cephei) is a prominent 2nd-magnitude object.

A second look at the autumn sky

Other 2nd-magnitude stars high enough to be glimpsed include Alpha ([Alpha]) Arietis (Hamal) in the east, Alpha Persei (Mirfak) and Algol in the northeast, and Polaris, Alpha Cephei (Alderamin), and maybe Gamma ([Gamma]) Draconis (Eltanin) in the north.

The seven layers of light

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