A different view of comet Wirtanen 46P, obtained by guiding on the comet's core, during 10-minute subexposures on each filter (LRGB). I left the rotating satellite trail on the L subexposure, to add an extra touch to the unusual image.
IMAGING DATA
Optical train: AP167 FLZ+ AP flattener
Mount: AP1100 GTO
Guiding: 230 mm guidescope + QHY5L-IIM (tracking comet's core)
Camera: Apogee CG16M @-35C
Frames: LRGB 10:10:10:10, calibrated with darks/bias/flats
Processing: PixInsight 1.8
Date: 2018-12-07
Place: La Banderita Observatory, Ceballos, La Pampa, Argentina
Seeing & transparency: average/excellent
