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Tonight

Comet Leonard, and its glorious sweep past M3
The first comet to be found in 2021 was Comet Leonard (C/2021 A1). It might become the brightest comet of this year! Charts and more info here.
Eddie Irizarry
Deborah Byrd
December 4, 2021

Astronomy Essentials

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Comet Leonard, and its glorious sweep past M3
December 4, 2021
Total solar eclipse of December 4, 2021
December 2, 2021
Venus brightest for 2021 around December 3
December 2, 2021
Visible planets – and more – in December 2021
December 1, 2021

Brightest Stars

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Achernar marks the End of the River
November 14, 2021
Meet Hamal, an ancient equinox star
November 13, 2021
Algol is the Demon Star
October 29, 2021
Deneb Kaitos marks the tail of Cetus
October 17, 2021

Constellations

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Horologium the Pendulum Clock, best in December
December 3, 2021
The constellation Cepheus the King looks like a house
November 28, 2021
Tucana the Toucan is home to the Small Magellanic Cloud
November 19, 2021
The constellation Andromeda the Chained Lady
November 12, 2021

Clusters Nebulae Galaxies

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Double Cluster in Perseus on October evenings
October 25, 2021
Wild Duck Cluster, M11, in Scutum
August 26, 2021
Andromeda galaxy: All you need to know
August 24, 2021
Find M4 by the Scorpion’s Heart
August 15, 2021

Favorite Star Patterns

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Pleiades – or 7 Sisters – shine in November
November 14, 2021
The Teapot guides you to the galactic center
August 7, 2021
Northern Cross: Backbone of Milky Way
July 18, 2021
Coathanger cluster: Looks like its name
July 17, 2021
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