Betelgeuse

Betelgeuse is a red giant star located in Orion. It is the largest star visible to the naked eye, if was located where our Sun is, it would extend out past the asteroid belt. It also a variable star with a magnitude range between 0 and 1.3. Attracting attention now as it is currently noticeably dimmer as one of the brightest stars in Orion. Because of its mass, it will have a short lifetime as stars go, and is expected to end as a supernova in less than a million years. At around 700 light years away it will be quite a show, with possibly brighter than a full moon at night and visible even during the day.