QSO B0109+224 BL Lac obyect

Sat, 12/11/2021 - 21:02

QSO B 0109+224 (S2 0109+224) is in outburst.

In comparison with my last measurements (2021 12 06) there is an increase of almost one magnitude in Sloan g, Sloan r, Sloan i and Johnson V bands.

See AAVSO light cure for details.