An f5 550mm (with compressor) with fully corrected circle that supports full frame and 3.76um pixels? This looks like quite and accomplishment Roland. Very exciting indeed! I will keep my eye out for

Love the specs! I want this to be my new traveler!

Very exciting! Are you going to give people from the old Traveler list a first shot at this?

Here is the direct link: https://www.astro-physics.com/110gtx Clear Skies, Marj Christen Astro-Physics 11250 Forest Hills Road Machesney Park, IL 61115 Phone:

At last, our exciting news: The Quest: Design the largest, fast, highly-corrected, airline transportable refractorthat can cover a full-format CMOS chip with pinpoint stars to the corners when

Lovely Sun Chris! Are you employing the 8-24mm for image projection? 😎 Pete

👍🏻👍🏻👍🏻 😎 Pete

Thanks Rolando, Stuart and Jim! I'm having fun with this daylight astroimaging. The nights have been cloudy so why not take advantage of the sunny days. Chris

Cool! This shot looks like something out a Alien or mission to Mars movie. Chris

Super! Rolando

Here's another image, I was able to get more details on the moon surface. Image taken around 12:10am AST and I stacked 75% of 64 frames. Taken with the Stowaway and the ZWO

Thank you Chris. Regards Ray

Love the yellow sun. Excellent!! JimP Get Outlook for iOS From: main@ap-ug.groups.io <main@ap-ug.groups.io> on behalf of Stuart <stuart.j.heggie@...> Sent: Friday, May 20, 2022 11:28:43 AM To:

That looks about as expected for that monster chip. Many thanks in advance. Looking forward to it.

Hi Chris, The vignetting is quite modest. Here is a quantitative measure: https://www.flickr.com/photos/140916263@N04/51909931112/in/album-72157696714255171/ Let me dig out a sub and send it to you

I did the same thing for mine, but with regular set screws from the local Ace Hardware. It really cleaned the back of the scope up and is a nice modification for visual only users like me.

VERY nice Chris! -- Stuart Heggie http://www.stuartheggie.com/

Nice! Will have to put a solar filter on my scope today and check it out. Rolando

The Sun currently has seven active regions that are visible from Earth. This includes the large sunspot group AR3014. Both monochrome and colorized versions are presented. Captured with the

On Thu, May 19, 2022 at 10:11 PM, weihaowang wrote: I tried with an even larger sensor. It works well. https://www.astrobin.com/ehvs26/B/ This is probably the largest Stowaway can