Comet C/2025 K1, obtained on 2025 December 10 (16h28-17h30UT) with 60-cm, f/7.0 Corrected Dall-Kirkham and ASI 2400 camera. Exposure time was 60x60 seconds. Image scale is 0.48 arc sec/pixel. Image was taken at Rezman observatory in Slovenia. Copyright © 2025 by R. Palcic, Rezman Observatory.

Comet C/2025 K1 (ATLAS), obtained on 2025 November 20 (3h30-3h55UT) with 40-cm, f/4.0 Newtonian astrograph and PlayerOne Zeus camera. The three parts of the comet are clearly visible and magnified in top left corner of the image. Exposure time was 25x60 minutes. Image scale is 0.97 arc sec/pixel. Image was taken at E-EYE observatory in Spain. Copyright © 2025 by R. Palcic, Rezman Observatory.

Comet C/2025 K1 (ATLAS), obtained on 2025 Nov. 11 (4h22-4h45UT) with 60-cm, f/3.3 Deltagraph telescope and CMO. Exposure time was 10 minutes (30x20 seconds). Image scale is 0.80 arc sec/pixel. Copyright © 2025 by H. Mikuz, Crni Vrh Observatory. Link to a magnified image of the comet's nucleus area with a fragment that broke away from the nucleus.

Image of comet C/2025 K1 (ATLAS), obtained on 2025 August 01 (00h57m UT) at Rezman Observatory with 300 mm, f/3.8 telescope and ASI2600MC. Image is a stack of 20 3-minute exposures, image resolution is 2.1 arc seconds per pixel. Copyright © 2025 by T. Spenko.