The “Ink Spot”

The dark nebula Barnard 86, known as the “Ink Spot” and open star cluster NGC 6520, in the constellation of Sagittarius. Image by Roger Powell (2022).
author:
Roger PowellThe dark nebula Barnard 86, known as the “Ink Spot” and open star cluster NGC 6520, in the constellation of Sagittarius. Image by Roger Powell (2022).