Sentences with phrase «nebulosity seen»

Not exact matches

The young open cluster NGC 6530 associated with the Lagoon Nebula M8 was classified as of Trumpler type «II 2 m n» (see e.g. the Sky Catalog 2000), meaning that it is detached but only weakly concentrated toward its center, its stars scatter in a moderate range of brightness, it is moderately rich (50 — 100 stars), and associated with nebulosity (certainly, with the Lagoon nebula).

However, clearly visible in this image are nebulosities above and below the plane of the disk; these betray the presence of the otherwise invisible central star, which can not be seen directly due to dust in the edge - on disk.

Throughout this image can be seen cavities and flow patterns in the nebulosity, giving clues to the structure and dynamics of this active star forming region.

NGC 6530 was classified as of Trumpler type «II 2 m n» (see e.g. the Sky Catalog 2000), meaning that it is detached but only weakly concentrated toward its center, its stars scatter in a moderate range of brightness, it is moderately rich (50 — 100 stars), and associated with nebulosity (certainly, with the Lagoon nebula).