The pointing control method of balloon-borne telescope compensating the motion of flexible base. - Toshihiko Nakano; Yasuhiro Shoji; Mutsumi Yamamoto; Ko Hamamoto; Jumpei Nakamoto; Masataka Imai; Yuji Sakamoto; Toshinori Kuwahara; Makoto Watanabe; Yukihiro Takahashi; Kazuya Yoshida; Makoto Taguchi (SII, 2012)