3 ms·
1. Yes pretty much. 2. Yes the artifact shape is related to the mirror shape, and the support arms which block some light. this is called a Diffraction spike.
by opwieurposiu 4y ago
1. Yes pretty much.
2. Yes the artifact shape is related to the mirror shape, and the support arms which block some light. this is called a Diffraction spike. There are a bunch of fake web telescope image videos on YouTube with 4pointed diffraction spikes so you can tell they are taken from a different telescope.
https://en.wikipedia.org/wiki/Diffraction_spike https://en.wikipedia.org/wiki/Diffraction_spike