Historical solar Ca II K observations at the Rome and Catania observatories
Theodosios ChatzistergosIlaria ErmolliMariachiara FalcoFabrizio GiorgiSalvo L. GuglielminoNatalie A. KrivovaPaolo RomanoSami K. Solanki
所有作者
Theodosios ChatzistergosIlaria ErmolliMariachiara FalcoFabrizio GiorgiSalvo L. GuglielminoNatalie A. KrivovaPaolo RomanoSami K. Solanki
文献摘要
Here we present the little explored Ca II K archives from the Rome and the
Catania observatories and analyse the digitised images from these archives to
derive plage areas.