Lucule

Lu´cule


n.1.(Astron.) A spot or fleck on the sun brighter than the surrounding surface.
References in periodicals archive ?
We believe that, in the end, these are the same granulations that have long since been pointed out by observers, under the name of "lucules" and "pores", and that with the new method they can better be distinguished.
We believe that, in the end, these are the same granulations that have long since been pointed out by observers, under the name of "lucules" and "pores" and that with the new method they can better be distinguished" [17].