This is a recurrent Nova, with roughly 80 years between flares. A good target for amateur astronomers/astrophotographers.
From the article: "The current spectral changes indicate a strong increase in the accretion rate, which will eventually result in a Nova eruption, as predicted to occur this or next year."
From the article: "The current spectral changes indicate a strong increase in the accretion rate, which will eventually result in a Nova eruption, as predicted to occur this or next year."