Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
SynScan Pro Screenshots
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About SynScan Pro

Use the SynScan app to control Sky-Watcher telescope mounts via Wi-Fi or Bluetooth LE. Mounts without built-in Wi-Fi can be supported via a SynScan Wi-Fi adapter.

This is the Pro version of the SynScan app and contains features suited for expert users using equatorial mounts.

Features
- Control telescope mount to slew, align, GOTO and track.
- Point And Track: track celestial objects (including the Sun and planets) without aligning.
- Support gamepad navigation.
- Browse a catalog of stars, comets, and deep sky objects. Or, save your own objects.
- Provide access to mount for use by third-party apps, including ASCOM clients, SkySafari, Luminos, Stellarium Mobile Plus, Stellarium Desktop or customer-developed apps. Also set up mount alignment for Luminos, Skysafari.
- Support access to the mount and the SynScan app from any platform that supports TCP/UDP connections.
- Provide emulator mount for testing and practicing.
- Track fast-moving earth satellites by working with the PreviSat app on Windows PC or the Lumios app on iOS devices.
- Perform polar alignment with or without a polar scope.
- Control shutter release (SNAP) port to trigger an attached camera. (Requires mount with SNAP port and adapter cable that matches camera.)
- Use ASCOM to perform autoguiding on mounts that do not have autoguider (ST-4) port.
- Other mount controls: auto home, PPEC, park.
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What's New in the Latest Version 2.5.15

Last updated on Jan 26, 2025
Old Versions
• PM Sharing: changed broadcast interval from every 60 sec to every 3 sec. Make more robust.
• Connect popup: fix problem with multiple popup (connect, choose mode, restore from park) not showing in right order
• AZ tracking: not use trail points to track when aux encoder is enabled
• Fix ASCOM server not responding due to receiving zero length UDP packet.
• Tonight's best page: not reset tab or search text when leaving
• Fix crash when going to polar alignment page while disconnected but have EQ mount alignment
• Alignment routine: fix centering UI incorrectly closing when centering failed
• SynScan App protocol server: add support for getting mount axis: 'telescope.Action("AxisCoordinatesGet", "")' -> degree string eg "45.0,15.0". No need to update "SynScan App" ASCOM driver.
• Camera exposure group: ensure to keep screen awake
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Version History
2.5.15
Jan 26, 2025
• PM Sharing: changed broadcast interval from every 60 sec to every 3 sec. Make more robust.
• Connect popup: fix problem with multiple popup (connect, choose mode, restore from park) not showing in right order
• AZ tracking: not use trail points to track when aux encoder is enabled
• Fix ASCOM server not responding due to receiving zero length UDP packet.
• Tonight's best page: not reset tab or search text when leaving
• Fix crash when going to polar alignment page while disconnected but have EQ mount alignment
• Alignment routine: fix centering UI incorrectly closing when centering failed
• SynScan App protocol server: add support for getting mount axis: 'telescope.Action("AxisCoordinatesGet", "")' -> degree string eg "45.0,15.0". No need to update "SynScan App" ASCOM driver.
• Camera exposure group: ensure to keep screen awake

SynScan Pro FAQ

Click here to learn how to download SynScan Pro in restricted country or region.
Check the following list to see the minimum requirements of SynScan Pro.
iPhone
iPad

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