Highly Commended in the 2013 Astronomy Photographer of the Year competition.
Higher resolution version
here
Time-lapse video of the session
here
IMAGING DATA
Optical train: telephoto Vivitar 135 mm f2.8, stopped at f6.3
Mount: Losmandy G11
Guiding: unguided
Camera: Canon 1000D (modded)
Frames: 20 lights, 5 min. ea. @iso800, calibrated with 30 darks/bias/flats
Processing: PixInsight 1.8 and PS using a mixed technique to separate comet from stars.
Date: 2013-02-16
Place: Observatorio "Las Lechuzas", Mercedes, Buenos Aires, Argentina
Seeing & transparency: average/very good
