NGC 6357 (The Lobster Nebula)

NGC 6357. (The Lobster Nebula)

NGC 6357 is a diffuse nebula in Scorpius. This nebula contains many proto-stars and young stars wrapped in expanding cocoons of expanding gases. The distance is approx. 8,000 light years.

The central open cluster (Pismis 24) has at least 20 stars some with masses above 100 solar masses.

  Mosaic of 4 frames.

F.O.V.   75 x 75  min. of arc.

Telescope.   10 Inch F 4.0  Newtonian.

Camera.   S Big ST4000 XCM OSC CCD.

Exposure and Date.   (4)  11 x 600 sec.   July, Aug   2015.

Location.   (Wiruna) N.S.W.