Posts Tagged ‘spacecat’

More focus needed

Again, three very cloudless nights without moonlight offered another opportunity to get to know my newly bought Camera, a ZWO ASI 120MC-S. The goal was no longer to photograph the Andromeda or other nebula, but to take a picture of one or more sharp stars. It worked. Date 2021-09-09 Camera ZWO ASI 120MC-S Lens William […]


Three very cloudless nights without moonlight seemed like an ideal opportunity to finally try out the new iOptron SkyGuider Pro. After using the first two nights as preparation, I went on the third night to try to take pictures of the Andromeda Galaxy. Although I couldn’t see it with the naked eye from my observation […]


Because I didn’t get any further with the lenses I had, I bought a William Optics SpaceCat 51 APO 250┬ámm F/4.9 which I received on the 29th of this month. The supplied T-mount didn’t lock, so I swapped it for a proper one for the Nikon at the shop. On the 30th, I went back […]