I ordered one. Thanks Robert

I just looked it up and now they sell the circle projection attachment Robert

Wayne did you also adjust the primary? Do you have an attachment to project a grid or circle on the wall? I bought a focuser tilt adjustment ring so I could do the full laser collimation procedure -al

Did you ever try to use a laser? Robert

Thanks. Your TEC 140 is about the same focal length that I used for the M 81 and 82 combination. I really love my CMOS camera. I am in line to get one of the new ASI 2600s. I was worried about that ev

For the temporary mask I was just going to reach down and lay it on top. I think we will have to take the scope apart to do the more permanent. Robert

Ok will do. Thanks.

I would love to see the results with that scope. I have been considering the smaller one. Robert

Thanks. I have a pier set up in my backyard and can do testing. With the scope tilted up I can just lay the mask over it for the test. Robert

Thanks for the optics lesson.

Thanks for the suggestions.

If I were to attempt to mask the edge what kind of tape can you use that wouldn’t harm the coatings? Robert

Can you start making some smaller RC’s😀Thanks for the suggestion. One of the problems is how sensitive the CMOS cameras are. It is very easy to blow out stars. With my FSQ at f/5 I can’t shoot over 2

So, would you say the new advantages of the small pixel CMOS cameras is that they bring high sensitivity to small pixels? I also got a shot of the Running Man with the 1600mm setup: https://pbase.com/

Thanks Roland. My last dark sky outing was my first use of this scope and camera. I am really confused on the whole image scale question. I bought this camera because it has the largest pixels of any

I got another shot of M 81 on the same trip as the M81-82 image, this time at f/8 1620mm. https://pbase.com/image/170419535 Robert Chozick rchozick@...

Thanks Michael. I use a bahtinov mask and just occasionally refocus on a bright star I am a software minimalist. I only use Nebulosity and PHD. What is interesting is that with the carbon fiber tube o

Thanks Stuart. Robert

Thanks Roland. I saw a few slight football shapes in the image but looking back I am wondering if those are actually double stars stacked on top of each other. Robert

Thanks. I looked at your website. You have some pretty amazing work there. Robert