Alert Notice 503: Request for regular monitoring of the symbiotic variable RT Cru
Notes: This campaign has been extended indefinitely. Dr. Karovska requests monitoring of RT Cru until further notice. - Elizabeth O. Waagen, 17 April 2020
Discussion forum thread created for this campaign at Campaigns and Observation Reports: https://www.aavso.org/rt-cru-monitoring-campaign - Elizabeth O. Waagen, 21 May 2020