T CrB | aavso

Alert Notice 750: T CrB photometry and spectroscopy requested for HST and XMM-Newton observations

Note: Satellite observations are being rescheduled; please continue to monitor T CrB until further notice. - Elizabeth O. Waagen, October 4, 2021

August 3, 2021

Special Notice #415: T CrB brighter and bluer - monitoring requested

April 8, 2016: The symbiotic recurrent nova T CrB has entered a super-active state, and it is brighter and bluer than it has been since before its last outburst in 1946. Multicolor and visual ongoing observations are requested.