Optical Infrared Coordination Network for Astronomy (OPTICON) is the scientific society in United Kingdom.
According to PR-model, astro-opticon.org is ranked 1,291,665th in multilingual Wikipedia, in particular this website is ranked 923,124th in English Wikipedia.
The website is placed before meisenheim.de and after itnc.org in the BestRef global ranking of the most important sources of Wikipedia.