Green Swamp Software

Free & open-source ASCOM software

Green Swamp Software

Green Swamp Server (GSS) is an ASCOM telescope driver for SkyWatcher and Orion mounts that use the Synta protocol. Point3D shows your mount's position as a live 3D model.

Explore GS Server Downloads Log Analysis
GS Server 1.2.3.3 main screen 🔭 GS Server The ASCOM driver: GoTo, tracking, guiding, PEC, park positions, gamepad control, logs and a built-in simulator. Learn more → Point3D main screen 🧊 Point3D 3D telescope models that connect to any Windows ASCOM telescope hub or driver and show where it is pointing. Learn more →

Supported mounts

GSS supports SkyWatcher and Orion mounts that use the Synta protocol, including:

  • EQ8
  • EQ8-R
  • HDX110
  • AZ-EQ5GT
  • Sirius Pro AZ/EQ-G
  • AZ-EQ6GT
  • Orion Atlas Pro AZ/EQ-G
  • EQ6-R Pro
  • NEQ6
  • HEQ5-R Pro
  • HEQ5
  • EQ5
  • EQ4
  • EQ3 Pro
  • AZ-GTi
  • Star Discovery
  • CQ350
  • Fusion-120i
  • Wave 100i
  • Wave 150i
  • and others

Images by Stewart Oliver, Leicestershire UK

Lower Bavaria Lower BavariaRosette Nebula Rosette NebulaHeart Nebula Heart NebulaWhirlpool Galaxy (M51) Whirlpool Galaxy (M51)

Join us

Open-source software with a friendly community behind it.

gss.groups.io The GSS forum: ask questions, share logs and get help from other users. Join the group ↗ Facebook group News, images and conversation with the GSS community. Visit the group ↗ GitHub GSS is open source. Browse the code, follow releases and report issues. View the source ↗
ScopeTrader Read the latest GSS guide on ScopeTrader.com ↗ Sky Shed POD See what Cuiv, The Lazy Geek, has to say ↗ JetBrains GSS is built with, and supported by, JetBrains ↗
Rob Morgan

Made by Rob Morgan

With significant contributions from Andy Watson (Principia4834) on GitHub.

All Green Swamp software is free software released under the GNU General Public License v3. Read the full terms on the GS Server page.