AAVSO Observer Code
DDAA
Affiliation
American Association of Variable Star Observers (AAVSO)
Full Name
Duane Dedrickson
Location
Springfield, OR, US
CHOICE Courses Completed
| Variable Star Classification and Light Curves | 2014-10-15 |
| How to use VSTAR | 2015-04-01 |
| How to use VPhot | 2016-04-15 |
| Observing and Counting Sunspots | 2019-07-08 |