Astroart Forum

Try 10% in the +- Horizontal field.

If you are using a reducer that would change your focal length setting.

Are you guiding through a Guide scope? It could be mirror shift and or differential flexure. If you are using a guide scope try not dithering.

Are you imaging with an SCT, could it be mirror shift?

The Dark Frame choice in the image tab closes the camera shutter if the camera has one.

This happens even if you select the imaging camera as 1 and the guider as 2 ?

I try to set the number of steps between each focus position so that no position on the focus graph tops or bottoms out.

In the bottom left corner of your flat there are some numbers, B is the background average. For my 16 bit camera I try to get that value between 25,000 and 30,000. In that range my flats correct very well. For a 12 bit camera you will need a lower range. In the AstroArt help topics search for "Flat ...

Welcome to the user forum.
The tutorials are part of the AstroArt guide. It should be included with your AA ver. At least it was with mine.

Many ASCOM mount drivers do not function as a hub and you may need to use ASCOM Device Hub for multiple connections.
Have you used EQMOD with multiple connections before, does it function as a hub?

Hi, if you are guiding with the Loadstar using a cable from the camera to the mount try setting GOTO as "camera 2 relays" and guide as "same connection as GOTO" If you are using ASCOM pulse guiding (no cable) you need to select GOTO as the scopes ASCOM driver "EQmod" or the ASCOM hub that you have E...