Alert Notice 462: Monitoring of J1407 for next extrasolar ring system transit
Note: A thread for this campaign has been created in the AAVSO Campaigns and Observation Reports discussion forum: https://www.aavso.org/j-1407-monitoring-campaign
This campaign has been continued through at least 2020. Please continue to monitor J1407, although the level of coverage may be somewhat reduced. - Elizabeth O. Waagen, 17 April 2020
CONTINUED THROUGH 2017