Comet C/2023 A3 (Tsuchinshan-ATLAS)

Last night I had the opportunity to take these amazing photos of the truly stunning Commet C/2023 A3 (Tsuchinshan-ATLAS). Seeing it with the naked eye is truly amazing! Truly a once in a lifetime event!

Read more »

Advanced Newtonian Telescope Collimation Part 1

The image on the left shows the really precise centering of the secondary mirror on the center of the back of the telescope tube. Why is it centered on the back of the telescope tube and not on the center of the primary mirror, you ask? Because it is much easier to center the secondary mirror if you remove the primary mirror first. At least on small Newtonian telescope. For large scopes, it's better to use sheet of paper (green or yellow for better contrast) between primary and secondary mirror.

Read more »

3D printed Secondary mirror holder for 114mm Newtonian telescope

If you are thinking of modifying your Newtonian telescope, the first thing you will find on Google and YouTube videos is how to replace your secondary spider for 150mm or 130mm telescopes. That's great, you go to printables.com or thingverse.com, download a suitable model for your telescope and 3D print it.

Read more »

UVC and Raspberry Pi Camera support added to Collimation Circles 3.1.0

I very happy to anounce, that new version of Colimation Circles 3.1.0 is available. It is not big release, but I think it's important one. It brings support for UVC and Raspberry Pi camera background video stream. Colimation your telescope should now be even easier. No more thinkering with third party application to provide video stream.

Read more »

What's new in upcoming Collimation Circles 3.0

With version 3.x Collimation Circles gets support for camera video stream. What this means? Well, with previous releases user had to use it's own solution for displaying video from telescope camera and use Collimation Circles as overlay.

Read more »