This picture of the Andromeda Galaxy M31 is the result of a total of 317 individual pictures made in 5 different night sessions:
- 62 x 60s ISO2500
- 63 x 60s ISO4000
- 48 x 60s ISO6400
- 82 x 30s ISO6400
- 62 x30s ISO1250
So total exposure is 244 minutes. All pictures are made with Nikon D7500 and TLAPO80/480 f/6. Pictures with exposure time 60s are made with control software DigiCamControl. Stacking of Nef files using Astro Pixel Processor (APP). The stacked result (stretch - non saturated -Tiff32) was cropped and edited using CS4.
