Reporting & certification
Generate a tailored summary for any station and period — the kind of evidence used for annual International Dark-Sky certification and light-pollution monitoring. Export the raw readings as CSV.
Valentia Island — darkest reading per night over 30 nights. Dotted line = 21.5 dark-sky threshold.
Certification summary
Over the last 30 nights, Valentia Island recorded an average darkest-sky reading of 21.08 mag/arcsec² (Bortle 4), with a best night of 21.69. 17 of 30 nights met or exceeded the 21.5 dark-sky threshold. This kind of continuous record demonstrates that the reserve sustains the sky quality required for its Gold-Tier status.
Reports can be produced automatically on a schedule and delivered as PDF, dashboard link or email summary. Figures here are demonstration data.