Alert Notice 730: Spectroscopy and photometry requested for SS Cyg
February 17, 2021
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/ss-cyg-hq-campaign
- Spectroscopy: https://www.aavso.org/ss-cyg-hq-campaign-01