Мачхольц открыл свою очередную комету, визуально!

COMET C/2010 F4 (MACHHOLZ)
Don Machholz reports his visual discovery of a diffuse comet
with coma diameter about 2' (DC = 2), using a 0.47-m f/4.8
reflector (77x) at his home in Colfax, CA, U.S.A
Предварительные данные:
The following parabolic orbital elements are extremely uncertain:
T = 2010 Apr. 10.669 TT, q = 0.58698 AU, Peri. = 135.062, Node = 245.662,
i = 86.831 (equinox 2000.0). Ephemeris using H_(7.5) = 12.0.