• Comet C/1997 T1 (UTSUNOMIYA)

    Oct. 07.30: m1 = 10.8 (+/-0.2) Dia.2.5', DC = 4, 42x256
    Oct. 08.36: m1 = 10.3 (+/-0.2) Dia. 2', DC = 4, 42x256
    Oct. 20.26: m1 = 10.3 (+/-0.2) Dia. 3', DC = 3, 42x256
    Oct. 21.29: m1 = 10.2 (+/-0.2) Dia.2.6', DC = 3, 42x256
    Oct. 24.30: m1 = 10.2 (+/-0.2) Dia. 3', DC = 3, 42x256
    Oct. 26.29: m1 = 10.0 (+/-0.2) Dia. 3', DC = 4, 42x256 L, Makak. (HI)
    Tail 3-5' PA= 70
    Nov. 01.36: m1 = 9.7 (+/-0.2) Dia. 3', DC = 4, 42x256 L, Silva (HI)
    Nov. 02.26: m1 = 9.9 (+/-0.2) Dia. 3', DC = 6, 42x256 L, Dilli. (HI)
    Nov. 22.23: m1 = 10.1 (+/-0.2) Dia.3.5',DC = 3, 42x256 L, Honol. (HI)
    Nov. 23.25: m1 = 10.2 (+/-0.2) Dia. 4', DC = 5, 42x256 L, Silva (HI)
    Nov. 23.25: tail 0.1 deg. PA 50
    Nov. 30.24: m1 = 10.1 (+/-0.2) Dia. 3', DC = 4, 42x256 L, Dilli. (HI)
    Nov. 30.24: tail 0.1 deg. PA 60
    Dec. 27.2: The comet is now too close to the sun to be observed!
    Feb. 26.61: m1 = 12.2 (+/-0.2) Dia. 1.5', DC = 3, 84x256 L, Koko-H. (HI)
    Mar. 04.60: m1 = 12.1 (+/-0.1) Dia. 1.5', DC = 2, 84x256 L, Koko-H. (HI)
    Mar. 08.61: m1 = 12.6 (+/-0.2) Dia. 1.5', DC = 3, 84x256 L, Koko-H. (HI)
    Mar. 09.62: m1 = 12.5 (+/-0.3) Dia. 1.4', DC = 2, 84x256 L, Koko-H. (HI)
    Apr. 26.47: m1 = 13.4 (+/-0.2) Dia. 0.8', DC = 5, 84x256 L, Dilli. (HI)

    Comments: Feb. 26, 1998: Comet small and faintly visible in dense milky way (close/in a small star cluster): back in morning sky.

    [50 K] Nov. 02.33: Drawing at 169x (25.6cm L)