Optical image of the structures surrounding the nucleus of Comet Lovejoy, captured by FOCAS mounted on the Subaru Telescope. This image was taken in the early morning of October 31 in V-band (550 nm) with an exposure time of five seconds. The field of view is about 6 x 3 arcminutes. The lower-left inset shows the structures around the nucleus after adjusting the contrast in the image.
NAOJ/Observation and data reduction by Masafumi Yagi