December 6, 2019

22.01.11: A Quasar Campaign.

A call recently went out from the American Association of Variable Star Observers (AAVSO) that we thought was worth passing along. Specifically, Alert Notice 430 is calling for well-equipped and skilled observers to monitor to two exotic objects: Blazar-type quasars 3C 273 and 3C 279. If 3C 273 is sounding familiar, thatís because it was one of our astronomy challenges last year; at around magnitude +12.7,†3C 273 was the first quasar identified as such and is†one of the brightest quasars in the sky.

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