NGC 6231 - Star cluster with Milky Way in the constellation Scorpius
The Milky Way around the southern stars ζ and η of the constellation Scorpius contains a large number of dark nebulae, star clusters and emission nebulae. The brightest open star cluster in the region is NGC 6231 below the center of the image, which is accompanied in the north by the emission nebula IC 4628.
![](https://usercontent.one/wp/astroimages.bine-und-franz.de/wp-content/uploads/ngc6231_onjala_200mm_2048px.jpg?media=1678043631)
Date: | 22.+28.06.2019 |
Optics: | Canon EF 200 mm f/2.8L USM at f/4 |
Aperture: | — mm |
Focal Length: | 200 mm |
Camera: | Canon EOS 60Da |
Exposure: | 4-frame mosaic, 59 x 300 s |
Location: | Chamaeleon Observatory, Onjala Lodge, Namibia |
Processing: | DeepSkyStacker, Nebulosity, Photoshop |
Diameter: | 1,000 light years (field of view at the distance of NGC 6231) |
Distance: | 5.500 Lichtjahre |