Alert Notice 729: Photometry and Spectroscopy requested for V406 Vul (XTE J1859+226)
February 12, 2021
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/v406-vul-campaign
- Spectroscopy: https://www.aavso.org/v406-vul-campaign-01