10.11.2005 - Wechselgebiet together with Franz Gruber

The California nebula (named from his shape) is an extremely faint patch of nebulosity almost three degrees long and probably illuminated by Xi Persei (Menchib) a blue-white main sequence star. The red light of the nebula is primarily Ha (Hydrogen Alpha). 

SKY 90 f/4.5, Starlight SXV-M25, 80min RGB + 120min Ha

Emission Nebulae
Size: 160' x 40'
Constellation: Perseus
Magnitude: 10.0
Distance: 1000 light years
RA: 04h 00m
Dec: +36° 37'