Categorie: DHZ

3 shades of grey

Three days of clear (enough) weather in The Netherlands somehow means there’s also a moon out. We haven’t seen a new moon in about 3 months now. But I needed to testdrive my dobson...

Mirror’s back!

Rejoice for I got my primary mirror back! The new coating did not turn out perfectly. #sadpanda Something’s wrong with the coating but what exactly is going on is unknown. It looks like oxidation...

3 uur in -5 bij Uddel

The markers of September 2017 were still in the TriAtlas so it had been a while… Technically, October 13. was the last time I was out in the field but that one kind off...

Comfortably observing in October. Nice!

Thanks to hurrican Ophelia, now heading for Ireland, we are currently treated on extremely nice weather for the time of year. Or, just plain nice for any Dutch season. The minimum temperatures we have...

Fogged up at Uddel, 19-01

A clear night when none was expected! After initial reluctance to go out in the cold I decided on following Bart K’s lead. I still had no real feel on the performance of my scope...

ATM part 4 – testdriving!

Today I mounted the primary mirror. And then I had to wait until 10PM to test-drive the dobson! Without any collimation the view was okay. It wasn’t even half as bad as I expected!...

ATM part 3.5 and Siril

Yesterday I figured out were to put the three holes for the mirror cell. A day earlier I field tested the telescope by pointing it at the moon and just simply placing the mirror...