Tagged Questions
11
votes
4answers
218 views
Longer exposure & lower ISO or shorter exposure & higher ISO - what gives better results when photographing stars?
I've been dabbling with night landscapes and star photography with varying levels of success. I know I don't have the ideal lens (Canon 17-40mm f4 on a Canon 6D body) but I've seen some great shots ...
8
votes
4answers
967 views
Astrophotography picture with too much noise. How do I correct this in postprocessing?
This is the Milky Way above Kakadu National Park, Australia, and my first try at astrophotography.
Thirty second exposure, f/4.0 at 17mm with ISO 12800 (!!) which in hindsight probably was way too ...
9
votes
1answer
256 views
Are hot pixels just one pixel?
I have been taking a few astro photos on a very high ISO, and have found what I think to be a few hot pixel. I though at first that I had managed to get a few very sharp pic of some red and blue ...
