Em1 MkIII does good astrophotography

Started 2 months ago | Photos thread
OP Grimstod Regular Member • Posts: 196
Re: Em1 MkIII does good astrophotography

boxerman wrote:

Grimstod wrote:

... 25x60s exposures. ISO1600 40 darks, 200 bias, 200 flats, 200 dark flats.

Would you explain to someone who doesn't do this type of astro shooting why and how you used so many darks, and what the different type are and the purpose they serve?

Oh, and, fabulous image!

The calibration frames get rid of the noise. You can gain almost 5 stops using enough of them. Here is a series of videos on how and why. I think there are four videos here.

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