C/2019 Y4 (ATLAS) 2020-Apr-15 Dan Bartlett

Imaging telescopes or lenses: Celestron RASA 11" Rowe-Ackermann Schmidt Astrograph 11"
Imaging cameras: ZWO ASI294MC Pro
Mounts: 10micron GM1000HPS
Software: Pleiades Astrophoto, S.L. PinInsight 1.8 · Sequence Generator SGPro

From left to right, 1) Comet: Debayered, DBE, Stretched, Curves and Cropped in PixInsight

2) Same as #1 add HDRMT 6 layers

3) Same as #1 add HDRMT 5 layers

4) Same as #1 add HDRMT 4 layers

5) Same as #1 add HDRMT 3 layers

Note: the tail changes as well as the nucleus.

Best viewed at full resolution