Herbig–Haro objects in the Pelican Nebula annotated
The Pelican Nebula displays fascinating colors and detail in this narrowband image created from sulfur, hydrogen, and oxygen filters. Distance 1800 ly.
There are numerous Herbig–Haro objects in this location. The most prominent example is HH-555. This shows two jets in the at the end of a long dense pillar of dust. I have labeled several other pertinent HH objects. There is also an interesting unidentified object at RA 20 49 28.89 DE 44 1640.78 ...
“The Pelican is much studied because it has a particularly active mix of star formation and evolving gas clouds. The light from young energetic stars is slowly transforming cold gas to hot and causing an ionization front gradually to advance outward. Particularly dense filaments of cold gas are seen to still remain, and among these are found two jets emitted from the Herbig–Haro object 555.” Wikipedia
Imaged from Deep Sky West - Rowe New Mexico, using RCOS 14.5" Ritchey–Chrétien telescope f/9. 3340 mm focal length.
7 hours each S,H,O Narrowband exposures. 21 hours total exposure
Transparency and Seeing Very good-Excellent
Processed in Pixinsight, and Lightroom.
SBIG 16803 CCD,AO-X