jewan

AAVSO Observer Code
EJDB
Affiliation
American Association of Variable Star Observers (AAVSO)
Full Name
John Ewan
Location
Delta, CO, US
CHOICE Courses Completed
CCD Photometry, Part I 2020-01-31
CCD Photometry, Part II 2020-03-02
How to use VSTAR 2020-06-05
Exoplanet Observing 2021-01-05
Variable Star Classification and Light Curves 2021-03-26
Exoplanet Observing 2021-04-30
Observing and Counting Sunspots 2021-05-31
Visual Observing Basics 2021-08-23
Photometry using VPhot 2021-08-20