Companion to the CloudWatcher

CloudWatcher companion

The SOLO CloudWatcher

Your CloudWatcher, always on.

The SOLO connects directly to your CloudWatcher and takes over everything a PC would normally do: web server, round-the-clock monitoring, alerts and ASCOM drivers. It requires a CloudWatcher, amplifying what the sensor does rather than replacing it.

Less than 2W

Powers from your existing CloudWatcher supply

SOLO CloudWatcher

Your CloudWatcher never sleeps. Neither does the SOLO.

The SOLO takes over from your PC, connecting directly to the CloudWatcher via its own dedicated serial port. It monitors conditions around the clock, and because it runs continuously, constant operation actually extends the life of the CloudWatcher sensor.

The existing CloudWatcher power supply powers both devices. Nothing to rewire, nothing to reinstall.

  • No PC left running overnight
  • No USB or serial driver headaches
  • No interruptions in logging or alerting
  • Access your weather data from anywhere in the world
  • Ideal for remote and unattended observatories
<2W
Power draw
24h
Continuous monitoring
Web
Check your observatory's weather from any part of the world
What the SOLO does

Everything your CloudWatcher deserves

The SOLO adds a full layer of connectivity, automation and remote access on top of the CloudWatcher sensor data.

Integrated web server

Monitor live CloudWatcher data from any browser, anywhere in the world. No software to install on the client side.

Local network publishing

Publishes CloudWatcher data across your LAN so the legacy Windows software can run in Remote mode, with no serial port needed on the client PC.

Push notifications

Get instant alerts on your phone via PushOver or PushBullet when conditions change: clouds, rain, wind or any threshold you set.

MQTT publishing

Publishes all sensor readings to an MQTT broker, integrating with home automation systems, Node-RED, and other IoT platforms.

LUA scripting

Embedded LUA programming language lets you create custom automations, triggers and responses directly on the SOLO.

Android widget

At-a-glance sky conditions on your home screen. Current readings visible without opening any app. Heads up: some very recent Android models have reported issues—we're on it.

Data publishing

Your data, everywhere you need it

The SOLO can push CloudWatcher readings to multiple destinations simultaneously: cloud services, local storage and automation software.

HTTP / Web server

Real-time data via HTTP. Browser access from any device on your network or remotely.

MQTT

Publishes to any MQTT broker. Integrate with home automation, dashboards and IoT systems.

JSON data files

Generates standard JSON output for custom integrations and third-party tools.

Single-line data file

Compatible with CCDAP, CCDCommander and other automation software that read flat data files.

USB logging

Logs data indefinitely to a USB pen drive—insert the stick and logging starts. No cloud service involved.

NAS upload

Uploads data files to a NAS server on your local network for centralised storage and access.

Software & integration

Fits into your existing workflow

ASCOM drivers

  • ASCOM Observing Conditions—all CloudWatcher sensor data
  • ASCOM Safety Monitor—open/close roof decisions
  • Alpaca driver—network ASCOM, no Windows needed on the client (beta since v4.2)

The ASCOM Observing Conditions driver covers all the data available in the CloudWatcher, and includes the Safety Monitor driver in the same package. Download it from the CloudWatcher software page.


Compatible automation software

Voyager SGPro ACP CCDCommander CCDAP MaximDL N.I.N.A.

Notifications

  • PushOver—iOS & Android push alerts
  • PushBullet—cross-device notifications
  • Android widget—home screen status at a glance

Recent updates

May 2026

Software version 4.3 released, several notable changes

Feb 2026

K-factor optimisation tool now available

Aug 2023

Custom timezones (UTC offsets) selectable in the settings

Feb 2022

New CloudWatcher + SOLO video introduction


Advanced

  • LUA scripting—custom automation on the device
  • Own dedicated serial port—no USB/driver conflicts
  • Windows software Remote mode over LAN
  • User-updatable firmware

If you want to take a look at our SOLO installed in Hamilton, New Zealand, click here: http://aagsolo.lunatico.es:10800/

Software in action

What you see on screen

The SOLO web interface gives you live readings, historical graphs and full configuration, all from any browser, anywhere in the world.

SOLO CloudWatcher—live sensor readings: pressure and humidity graphs
SOLO CloudWatcher—observatory configuration: limits, K factors, heater settings
SOLO CloudWatcher—historical graphs: sky temperature, wind speed, temperature, rain
Availability

Where to buy

Documentation & support

Get started with the SOLO