Following isues of VSOLJ Variable Star Bulletin are available at http://vsolj.cetus-net.org/bulletin.html No.109 2023 Feb. ASASSN-15cm: an SU UMa star with an orbital period of 5.0 hours Taichi Kato No.110 2023 Feb. On the orbital period of the dwarf nova CW Mon Taichi Kato and Franz-Josef Hambsch Seiichiro Kiyota VSOLJ