The 500 rule - astrophotography
64943
What is the "Rule of 600" in astrophotography?
52691
Sign convention in optics
121594
Amateur moon laser ranging
76612
How do I capture the milky way?
140107
What temperature is achieved in focus point by 5000 flat 1x1cm mirrors onto a satellite dish?
79258
Is an obstacle obscuring the EHT's view of Sagittarius A- star?
21744
Focal length of an ellipse and related results
111949
How to get the Milky Way bright enough without overexposing foreground objects?
104152
Stars and bars with lower bound on individual parts
113163
Why do some lenses focus past infinity?
57137
Multichoosing (Stars and bars)
14731
Limit with inverse trignometry
69908
Black hole photography
75016
How to nail focus for DSLR astrophotography?
114934
Bootstrap Paradox in Interstellar
117453
The necessity of the B field
141584
Planetary/Atmospheric volumetric clouds