Viewing a single comment thread. View all comments

TheVastReaches t1_j3er8im wrote

I can see the refraction in the trails, bending as they approach the horizon. That’s awesome. What an opportunity !

16

astro_pettit OP t1_j3osddz wrote

Yes! The star arc slope changes as the star light passes through more dense atmos layers; i can talk about the visible natural phenomenology in a star trail photo for at least 30 minutes.

2