Trifid Nebula: One of the most beautiful and most published nebula, very close to the Lagoon Nebula. It is probably the best combination of an emission and reflection nebula. The big blue part comes from the light of bright young stars being reflected from dust and molecule couds.
The name comes from the three dark lanes emerging from the center, seeming to cut the nebula in three pieces.

For a wide field image click here.