AAVSO Observer Code
American Association of Variable Star Observers (AAVSO)
Full Name
David Cowall
Nanticoke, MD, US
Background/Interesting Fact
Board Member
Occupation - retired physician
OTHER HOBBIES - scuba diving, sailing, travel, chess
ASTRONOMY - I use a 100mm refractor and the AAVSOnet for photometry of variables, especially BCEP (JAAVSO Volume 48, 2020) and SXPHE (JAAVSO Volume 43, 2015) stars.
CHOICE Courses Completed
CCD Photometry, Part I 2013-05-01
Variable Star Classification and Light Curves 2014-05-14
How to use VPhot 2014-09-11
CCD Photometry, Part II 2015-04-21
Variable Star Classification and Light Curves (instructor) 2015-05-07
How to use VSTAR 2015-08-07
CCD Photometry, Part II (instructor) 2015-11-04