RA Motor for EQ-1 These economical single axis (R.A.) DC motor drives are designed to compensate for the earth's rotation. Their rotation speed matches the earth's rotation rate for stars to appear stationary in telescope eyepiece. With the 9 volt alkaline battery (included) installed, it lasts up to 40 hours. The motor is attached to the RA axis of the EQ-1 mount Delivery contents RA motor for EQ-1

Item condition: new, but not original packed