Camera : SBIG ST-2000XM (-30 degree cooled)
Lens : Takahashi MT-160 (1000mm F6.25)
Guide : EM-200 Temmar 2
L = 5 minutes
in Sang-ju, Korea
it's very difficult to survey manualy to find a new minor planets and comets
the necessiris are the time,the patience, the equipments and the money.
i could find 7 known minor planets last night.
the faintest is 1999 TW 93 about V18.5
i really want to find a new star !!