Flat glass top
Flat tempered glass with infrared transmission and a central cloud-sensing aperture.
CLOUD & ENVIRONMENT MONITORING
CELESTRA SKY SENSOR
Cloud conditions. Temperature. Humidity.
CELESTRA Sky Sensor combines infrared cloud detection with ambient temperature and humidity measurement for monitoring conditions at an observing site.
Monitor cloud conditions, ambient temperature and humidity with Wi-Fi connectivity, solar charging and an internal battery.
DESIGN & INSTALLATION
Flat glass. Compact construction.
Angled solar panel
Approx. 85 × 70 mm panel at a fixed angle of approximately 25°.
Pole mounting
Included pole-mount bracket; flat base for mounting.
MODEL SCOPE
Technical Specifications
| Specification | Details |
|---|---|
| Model | CELESTRA Sky Sensor |
| Product type | Cloud and environmental monitoring sensor |
| Monitoring function | Infrared sky-temperature sensing for cloud detection |
| Temperature measurement | Ambient temperature |
| Humidity measurement | Relative humidity |
| GPS | Not included in standard model; optional on Sky Sensor Pro |
| SQM measurement | Not included |
| RGB measurement | Not included |
| NIR measurement | Not included |
| Diameter | 70 mm |
| Height | 200 mm |
| Solar panel | Approx. 85 × 70 mm; fixed angle |
| Panel angle | Approx. 25° |
| Weight | Approx. 600 g, including battery |
| Body material | Anodized aluminum |
| Top cover | Flat tempered glass with IR transmission |
| Protection rating | IP65 / IP67 — confirm the applicable enclosure configuration |
| Wi-Fi | ESP32-S3 (2.4 GHz) |
| Battery | Li-ion; example configuration: 3.7 V, 6600 mAh |
| Operating temperature | −20 °C to +60 °C |
| Mounting | Flat base or pole mount; bracket included |
Panel dimensions, angle and weight are approximate. The battery value is an example configuration; confirm the battery and applicable enclosure protection rating for the selected unit. Request the model-specific datasheet.
Documentation & compatibility
For Sky Sensor, include the intended configuration and application when requesting documentation, compatibility, current availability and lead time.
Content reviewed .