Comet ISON's Position Throughout October

DateR.A.Dec.Mag.Dist.
Oct 0109h36m+17°28′+5.0(?)2.138
Oct 1510h10m+13°52′+5.0(?)1.719
Oct 3111h10m+06°39′+5.0(?)1.246

The table gives the comet’s equatorial coordinates – right ascension (R.A.) and declination (Dec.) – at 01:00 Universal Time on selected dates. Also listed are the visual magnitude and the distance from the Earth in astronomical units. One a.u. equals 92,955,807 miles or 149,597,870 kilometers.