The 10" is an astrograph with 1600mm focal length. No telecompressor is used. Astrographs, unlike refractors, have one function only - imaging. They are not versatile like refractors, which can be

Lots of detail. Are you using the .67x tc? Chris

I have an STF-8300M+FW5+OAG+STi setup that, until it got burned up a couple of years ago by an overvoltage event, worked reasonably-well. The biggest things I liked about it was the generally

Hello Andrea, Looks promising. Please, let us know how your experience turns out. Sébastien De : main@ap-gto.groups.io <main@ap-gto.groups.io> de la part de Andrea Lucchetti

Yes, very nice! I love seeing the crepe ring in front of the planet. Jeff

Great job, excellent image! Jim

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If you mean that I have more Ha exposure, the answer is yes. I have not had enough clear weather to get more OIII yet. Working on it. I tried some SII, but there is virtually none in the image, so the

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Awesome indeed! JimP Get Outlook for iOS

I had some brief moments of good seeing here in Missouri. This one taken on Sept 6, 2021 with the GSO 12" F/5 riding on the 1100GTO.

Thank you. :)

On Wed, Sep 8, 2021 at 09:16 PM, Roland Christen wrote: https://www.astrobin.com/qwcmt6/Stunning work Roland.

Hi Bill, As for ASCOM for older SBIG cameras like STF8300 etc. is now available due to work by Cedric R. (very recently released ) https://github.com/cedric-r/ASCOM.HomeMade.SBIGCamera executable is

SBIG cameras are not bad, although they dont support ASCOM for a number of their older cameras which is a turnoff for most users these days as not all imaging software in use today supports native

What's the general opinion of SBIG cameras ? They don't seem to have the popularity that they once did, but maybe that is because there are more options. I have seen from their ads that they are

Hello, Roland, That is a wonderful image. Was it straight HOO or some other palette? Also, you seem to have a lot more Ha than OIII. I would have thought the

My project for the last couple of days with the 10" Mak Astrograph. Looks like a brain coral that needs a haircut. Processing took almost as long as the acquisition of the

Yes, you simply replace the 2.7" focuser with the 4". 6 screws hold it on. Nothing else needs to be changed. Rolando

This may be an odd question, but can an AP155EDFS be "rebuilt" into an AP155EDF? I believe the lense assembly is the same. I assume it would require some changes to the OTA tube, possibly baffling