JKalen

AAVSO Observer Code
KLN
Affiliation
American Association of Variable Star Observers (AAVSO)
Full Name
Joseph Kalen
Location
Frederick, MD, US
CHOICE Courses Completed
CCD Image Calibration 2012-06-08
CCD Photometry, Part I 2017-03-31
CCD Photometry, Part II 2017-05-05
Photometry using VPhot 2017-11-03
How to use VSTAR 2018-07-06
Analyzing Data with Vstar 2018-11-05
Introduction to Spectroscopy 2022-07-18