Astrophotography Group March – What we do in the Shadows

Tony  Copper will present tonight’s astrophotography talk

How astrophotography differs from daytime photography
What makes a good astro photo
How photons behave in your lens and camera
What is noise and what is the biggest source of it
What is dynamic range and why is it important
Myths and facts – what things people get wrong
What ISO and exposures to use
What about f-ratio