• Linear German Equatorial Mount

  • M-Zero Equatorial and Altazimuthal Mount

  • M-Uno Fork Equatorial Mount

  • Merlino Personal Remote Observatory

  • X-Guider Telescope Guide

  • StarGO GoTo Telescope System

We are different

belt driven systemThe Avalon Instruments exclusive Fast Reverse belt drive system gives incredible performance in astronomical imaging.

No meridian flip needed

No Meridian Flip NeededOur M-zero and M-uno single arm astronomical mount allows to track an object all night long without the needing to flip the telescope when the mount is passing through the meridian!

Original design made in Italy

mzeroAll our products are developed to be easy and friendly, without maintenance and high quality manufacturing, for giving you the maximum performances for a long time.

X-Solver stopped to work

NOTE: The X-Solver does not work with Windows XP, due to the internal Framework functions that are no longer supported by Windows XP. Concerning others Microsoft Windows O.S. (such as: Vista, Windows 7, Windows 8.0, Windows 8.1 and Windows 10) X-Solver need at least Microsoft .NET Framework 4.5. If you have not yet installed go to the specific microsoft web page download and install it.



I have installed the Stargo 516 Beta version on my "old" PC and wanted to check out the X-solver application.

When starting up X-solver (administrator mode) it doesn't open but I immediately get an error message: "Avalon X-solver has stopped working".

What are the minimum hardware requirements for running X-solver? Or is it more likely a software issue?

XSolver stopped working

Normally this is not an hardware problem and usually it will be solved by updating Windows.

User's Pictures

  • Matteo Collina
    Matteo Collina

    IC4603 - AAPODX2 30 nov 2017

  • Tom Bramwell
    Tom Bramwell

    Running Man and Great Orion

  • Derek Santiago
    Derek Santiago

    Cassiopeia - AAPODX2 15th nov. 2017

  • Tom Bramwell
    Tom Bramwell

    M20 - Trifid Nebula LRGB

  • Kayron Mercieca
    Kayron Mercieca

    NGC2024 Flame Nebula

  • Tom Bramwell
    Tom Bramwell

    M8 - Lagoon Nebula

  • Tom Bramwell

    Bubble Nebula - M-Uno Mount

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Avalon Instruments

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