The lunar eclipse in Arabic is called "khusuf". When item the phenomenon occurs lunar eclipse we are encouraged to do sunna prayer two rak'ah or sunna prayer khusuf. Sunnah Pray is somewhat sunah muakkad.
و) القسم الثاني من النفل ذي السبب المتقدم وهو ما تسن فيه الجماعة صلاة (الكسوفين) أي صلاة كسوف الشمس وصلاة خسوف القمر وهي سنة مؤكدة
That is, "The second type is sunnah prayer because of an earlier cause, the sunnah prayer is recommended to be done in congregation of the two eclipse prayers, sun eclipse and lunar eclipse prayer. This is a highly recommended sunnah prayer, "(See Sheikh Nawawi Banten, Nihayatuz Zein, Bandung, Al-Maarif, without explanation of the year, page 109).* item
