Astronomical topics and views of the night sky. Software and tips about telescopes, mounts, and digital astrocameras. Panagiotis Xipteras, an amateur astrophotographer, presents you amazing views of the planets, stars and galaxies.
Two apparent neighbor star clusters belong to the most attractive objects of the Gemini constellation. The small open cluster (NGC2158) is far behind the large one. The light of the 97 variable stars in NGC2158 needs almost 13000 years to reach the large open cluster (Messier 35) in the foreground.
Equipment: FSQ-106ED(f/5), Nikon d3100, Aperture(Mac), MaximDL. This photo is the result of three stacked, unguided exposures with 184+145+114 seconds.