Algol
(bright variable Star Beta Persei)
- The bright variable Star Beta Persei (Algol) reaches minimum brightness.
o - This variable star in Perseus varies from its brightest at magnitude +2.1, dropping to +3.4.
o - Even when dimmed, Algol is still visible to the naked eye.
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How to find Algol
oHow to find Algol in Perseus?
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- Locate Cassiopeia
Find the distinct W or M shape of the Cassiopeia constellation, which is in the northern sky.
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o - Find Perseus
Look below the Cassiopeia asterism to find the constellation Perseus. It has a distinctive curve of stars known as the Segment of Perseus.
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o - Spot Algol
Within Perseus, look for the two brightest stars, which are Mirfak and Algol.
Algol is a prominent, naked-eye visible star.
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o - Best viewing time
In the Northern Hemisphere, the constellation is most visible during the evening hours from autumn to spring.
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o - Neighbouring constellations
The constellation Perseus, and therefore Algol, is bordered by several other constellation:
o- North: Cassiopeia and Camelopardalis
- South: Aries and Taurus
- East: Auriga
- West: Andromeda and Triangulum
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Deaf astronomer John Goodricke
LumoTV – Documentary (2010) as part of the Deaf History series – John Goodricke
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- In this episode, reporter Sebastian Cunliffe tells us about Deaf astronomer John Goodricke, who changed how we view the skies in his short life.
o - Having been born in Holland, Goodricke moved to the UK for his education, and settled in York. There he made a close friendship with Edward Pigott, a talented astronomer.
o - He soon made a scientific breakthrough which won him the prestigious Copley medal, and despite dying young, his methods are still used 200 years later.
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- John Goodricke’s commemorative plaque is located outside Treasurer’s House in York.
o - Known for his observations of variable stars like Algol.
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- Read More
– Revised John Goodricke Plague installed.
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– wikipedia (John Goodricke)
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