Seconded. I got some "great" (for me) shots using a simple barn door build of the 2017 eclipse and the neowise comet. Just needs 2 pieces of wood, a theaded rod

Seconded. I got some "great" (for me) shots using a simple barn door build of the 2017 eclipse and the neowise comet. Just needs 2 pieces of wood, a theaded rod, an esp8266, a stepper motor, a hinge, and some bolts