Explore the Night with Bob King

Dwarf Nova V392 Persei Goes Big — It's Now Binocular Bright

In a rare move, a sleepy cataclysmic variable blows its top and suddenly becomes a nova.

Variable Stars

Meet My Variable Friend SS Cygni

Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.

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