Spotting the zodiacal light in spring
The zodiacal light is a nocturnal phenomena that is revealed only to those who dare to escape the city lights. In spring, after sunset and once twilight fades away into a dark and moonless night, a gentle luminous band opens up when looking towards west. Its majestic cone ...
Nikon D90 astromod VS. Nikon DF unmodified
It is fact that Nikon's DF is among the most sensitive camera's available on the market today. Its FX format CMOS chip offers 16.2 million pixels. The corresponding pixel size of 7.3μm is thus large compared to most other state-of-the-art cameras (with typical sizes of ...
Observing Comet C/2013 US10 (Catalina)
Comet C/2013 US10 (Catalina) was first discovered by the Catalina Sky Survey on October 31, 2013. It originates from the Oort cloud, a vast spherical reservoir of comets far beyond Neptun. By chance, gravitational perturbations can push Oort objects into the inner solar ...
Aurora Borealis – observed from Vallentuna
It is an amazing spectacle when a solar storm of charged particles hits the Earth's magnetosphere. The particles following the magnetic field finally collide with particles of the Earth's atmosphere - mostly oxygen and nitrogen. These collisions lead to either an ...
Comet C/2014 Q2 (Lovejoy)
Comet C/2014 Q2 (Lovejoy) is bright (around 5mag) enough to be easily seen with binoculars or small telescopes in constellation Eridanus. On really good sites one should be able to spot it even with naked eye. However, currently the observing conditions are hard, because ...
Milkyway and Venus rise (Video)
The following timelapse movie shows the rising Venus and the Milkyway. The individual photographs from which the animated sequence was created, were taken at the Roque de Los Muchachos, La Palma, Canary Islands during an observing run at the Nordic Optical Telescope ...
