LDN 1773
The Pipe Nebula

30 minutes exposure. Kodak Ektachrome 400 wide format slide film.
300mm f/2.8 Pentax lens.

There are many large dark nebulae in the Scorpius-Sagittarius region of the Milky Way. One of the moore prominent is LDN 1773, also known as the Pipe Nebula. From a dark site in Australia, where it passes almost directly overhead during winter, it is very striking, even with the naked eye.

In the image above, the bright star a little above left of centre is theta ophiuchi. A little to the left of this star a an "S" shaped cloud. this is the Snake Nebula .

35 minutes exposure. Fuji Super G 400 wide format film.
300mm f/2.8 Pentax lens.

The numerous other dark nebulae for the most part were catalogued by E. E. Barnard and so have "B" designations.

45 minutes exposure, Kodak Ektachrome 200 slide film. 135mm f/3.5 Tamron lens.