c8

This time without sound

I found out how to switch off sound on my D90 when making movies. One more time: Taken at 15:45 CET (DST) with Nikon D90, primary focus of Celestron C8 with focal reducer F/6.3. And…


Sunspots, clouds and movies

A few big sunspots on the solar surface. Click on the picture for a full size version. And below two short movies of the Sun. The sound is an extra :), I have no idea…


A sunny day

…and thus a Sun picture. The pictures were taken around four o’clock in the afternoon (duh). The picture below left was taken through a yellow filter to bring out a bit more visual detail in…


Pinwheel in the picture

This is a picture I took of M33. It’s not much, but revealing all the same, given the fact that it’s a simple picture taken in primary focus with a standard DSLR. 25″ exposure time,…



September goodies in the sky

A few pictures between the high clouds this evening here in Utrecht. This is M15, close to Enif in the constellation Pegasus. It’s a globular cluster about 33,000 light years from Earth. C8, Nikon D90,…


The Sun today

Sun today. I edited the picture to better show some surface structures on the Sun. It makes the sunspots a bit dark. C8, primary focus, Nikon D90 and 1/1000″ exposure time.