C/2012 S1 (ISON)
ephemeris
Display observing conditions.
Individual and sum spectra
table
figure 1 -- figure 1 (PS)
figure 2 -- figure 2 (PS)
figure 3 -- figure 3 (PS)
figure 4 -- figure 4 (PS)
figure 5 -- figure 5 (PS)
figure 6 -- figure 6 (PS)
figure 7 -- figure 7 (PS)
figure 8 -- figure 8 (PS)
figure 9 -- figure 9 (PS)
figure 10 -- figure 10 (PS)
figure 11 -- figure 11 (PS)
figure 12 -- figure 12 (PS)
figure 13 -- figure 13 (PS)
figure 14 -- figure 14 (PS)
figure 15 -- figure 15 (PS)
Offset positions
table
figure 1 -- figure 1 (PS)
Notes
Sungrazing comet.
In September and October, observations are hampered by heavy painting works on the
mirror.
Outburst observed on 13 November 2013 (CBET No.
3711).
From 20 November to 7 December 2013, no OH maser inversion model
available (rdot > 60 km/s).
Approach to Earth at 0.43 AU on 27 December 2013.
Close to North pole (dec = 87°) on 8 January 2014.