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