total lunar eclipse on tonight, Wednesday (31/1/2018), is special and attract the public attention. Why is that? Professor of Astronomy-Astrophysics Research, LAPAN explained because the name is called Supermoon. That is because the distance of the moon is still closest to the earth. So that the full moon and eclipse look bigger than usual. Then because it was called Blue Moon because it was the second full moon in January, after 1 January