The Crescent, the Tulip, and WR-134

Another wide field around the Crescent in the constellation Cygnus. And there are plenty of objects that come to keep it company. We still have the very faint Soap Bubble at the bottom left of the Crescent. There is WR-134 at the center bottom and the Tulip all the way to the right. Just to name the main ones. This photo literally contains dozens of catalogued objects.

The Crescent nebula is a Wolf-Rayet star. It is located in the constellation Cygnus and is distant about 5,000 light-years.

WR-134 is also a Wolf-Rayet star and is distant about 6,000 light-years from us.

Finally, the Tulip (SH2-101) is an emission nebula, distant about 6,000 light-years as well.

I applied to this shot a somewhat special processing allowing to bring out the oxygen present. Processing made possible by the use of a dual-band narrowband filter that only lets through light emitted by hydrogen atoms ionized once and oxygen atoms ionized twice. Everything that appears blue is actually oxygen and in red, hydrogen.