DSLR astrophotography by Sergi Verdugo

The Witch Head nebula (2010 take)

Exposure: 13×900″ @ ISO 1600
Lens: Pentax Takumar 6×7 200mm f4 @ f5.6
Filter: Hutech IDAS LPS P2 2″
Mount: Skywatcher EQ6 Pro
Camera: Amp-off Modded & Cooled Canon 350D
Date: 13th November 2010
Location: El Villaró de la Torre (Barcelona, Spain)
Comments: El Villaró de la Torre is a place in central Catalonia, the quality of the sky is just fair, not optimal for astrophotography. That specific night wasn’t a perfect night, intervals of high clouds and high humidity made the conditions were not ideal. Did more exposures but only 13 could be saved.

The Witch Head Nebula, formaly known as IC 2118, is an extremely faint reflection nebula believed to be an ancient supernova remnant or gas cloud illuminated by nearby  (about 40 light-years) supergiant star Rigel that lies at a distance from it of about. It lies about 900 light-years from Earth in the  constellation Eridanus. The nature of the dust particles, reflecting blue light better than red, is a factor in giving the Witch Head its blue color.