There are still some seats open in the 2024 AAVSO CHOICE course Observing and Counting Sunspots that begins on Monday, September 2. The instructor is Raffaello Braga.
For information on the course please go here: https://www.aavso.org/choice-course-descriptions#Sunspots
To purchase the course (purchase = enroll = register for) go to: https://www.aavso.org/product/147
Registration has been extended through tomorrow, Saturday, August 31 - sign up now!
Happy (and safe) solar observing,
Elizabeth Waagen, AAVSO HQ