Synchronous synoptic maps of the corona in the extreme-UV (EUV), built from series of SoHO/EIT observations, in each of the 4 wavelength bands of the instrument. Synchronous synoptic maps are maps of the EUV radiance in different wavelength bands on the full solar sphere, in heliographic (Carrington) longitude and latitude. They capture the state of the corona at any given reference time by including data obtained as close as possible to this time and by taking differential rotation into account. EUV-SYN is available as part of the generic MEDOC interface which is currently located at https://idoc-medoc.ias.u-psud.fr/ and from IDL and Python scripts. https://doi.org/10.48326/idoc.medoc.eit-syn
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