(We won’t talk about his first attempt!)
Observation of Albireo was made with three exposures for Red, Green, and Blue Colorized and composited in Gimp for Mac OS X – adjusted curves and thresholds.
Telescope Prompt8 Cerro Tololo Inter-American Observatory thru Skynet Robotic Telescope Network. Time taken: July 27, 2017 03:00:53 thru 03:02:48 0.5 seconds exposure each filter.
Amateur Astronomers Association of Princeton 