... Coronalholes and solar imagery database . Data available from 01.01.1998 to 24.07.2006.. ... Time interval . : : . Coronalholes count . Total area of coronalholes . Average intensity over coronalholes . ...
... APEV . Coronalholes and solar imagery database . Transient. ... Catalogue of solar events, containing coronalhole maps, DSF maps and solar wind ... on count, surface area and average intensity of coronalholes identified in them ...
... CH maps : Maps of coronalholes observed on the Sun four to two days before the ... phenomena are presented on the map: coronalholes, filaments, solar flares and the ...