New Binocular Nova Cas 2021 Flares in Cassiopeia

Nova Ca 2021

A ‘new star’ erupted into visibility over the past weekend, and continues to brighten.

It began, as all modern astronomical alerts seem to, with one tweet, then two. Early on the morning of Friday, March 19th, we started seeing word that a nova was spotted in the constellation of Cassiopeia the Queen, near its border with Cepheus. At the time, the nova was at magnitude +10 ‘with a bullet,’ and still brightening. A formal notice came that same night from the American Association of Variable Star Observers (AAVSO) with Alert Notice 735 on the discovery of the first nova in Cassiopeia for 2021, Nova Cassiopeiae 2021, or N Cas 2021.

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