AAVSO Observer Code
MJHA
Affiliation
American Association of Variable Star Observers (AAVSO)
Full Name
John H McCammon
Location
Centennial, CO, US
Background/Interesting Fact
Member of Astronomical League with nine observing clubs: Double Star, Binocular Double Star, Analemma, Sunspotter, Lunar, Lunar II, Variable Star, Binocular Variable Star, Hydrogen Alpha. Also participate in the AAVSO Solar Section.
CHOICE Courses Completed
| DSLR Photometry | 2015-12-09 |
| Observing and Counting Sunspots | 2020-10-11 |