Jason Shilling Kendall: Citizen Astronomer

William Paterson University
Amateur Astronomers Association of New York
Hunter College

Introductory Astronomy Lecture Series
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Astronomy Lesson 30: Stellar Brightness and Magnitudes

In this one, we define the terms, brightness and luminosity. We also define the magnitude system, both apparent and absolute. We don't shy away from equations anymore! We also derive how Pogson saddled all the future of astronomy with a Log-base-10 humbug.

William Paterson University Department of Physics American Astronomical Society Amateur Astronomers Association of New York Astronomical Society of the Pacific