Comet C/2021 A1 Leonard imaged on December 9, 2021, from my remote observatory in Àger.
The image is a combination of 20 sub exposures of 90 seconds, taken at the same time, with STL-11000M camera (Astrodon Luminance filter) on Takahashi TOA-150 and Canon 60Da on FSQ-106N.
The image has been processed with Pixinsight (188.8.131.52), with special use of the "CometAlignment" module.
Simultaneous and synchronized acquisition of images with two cameras by using AstroArt.
Observatory automation and remote operation with Talon6.
Click on the image for a full size version or go to the Gallery section for complete exposure details.