Cutini, SaraSaraCutiniGasparrini, DarioDarioGasparrini2020-09-172020-09-172015-01-01https://hdl.handle.net/20.500.13025/4071The Astronomer's Telegram, #6982The Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope, has observed for the first time on daily timescales gamma-ray outburst activity from a source positionally consistent with the bright optically peaked BL Lac object ON 246, also known as 3FGL J1230.3+2519.Request for ObservationsAGNBlazarQuasarhttp://adsabs.harvard.edu/abs/2015ATel.6982....1C2015ATel.6982....1C