DEEP-SKY ASTROPHOTOGRAPHY — PROCESSED IN PARIS

Galaxies

NASA APOD · April 1, 2023

Galaxies are far, so they are small in the frame. Most of these were taken at long focal length, and the ones that look like a thin smear of dust are spiral discs we happen to catch from the side rather than from above. Two of them were picked as NASA's Astronomy Picture of the Day.