![](https://www.salzgeber.at/wordpress/wp-content/uploads/2019/02/20190214_00-05-14_Autosave007_2_2048px-2-1024x685.jpg)
The image above is a combination of two stacks of images, one registered on the stars, the other on the comet. The comet was heading straight for the galaxy, but images taken later with a longer focal length had guiding issues.
![](https://www.salzgeber.at/wordpress/wp-content/uploads/2019/02/20190214_00-05-14_Autosave007_2_2048px-1024x685.jpg)
The image above is a combination of two stacks of images, one registered on the stars, the other on the comet. The comet was heading straight for the galaxy, but images taken later with a longer focal length had guiding issues.