Unfiltered false color image of periodic comet 10P/Tempel, obtained on 2026 July 13 (0h33-0h48 UT) with 60-cm, f/3.3 Deltagraph telescope and CMO. Exposure time was 12 minutes (12x60 seconds). Image scale is 1.25 arc sec/pixel. The image clearly shows the comet's dust trail, formed by particles ejected from the comet's nucleus. Copyright © 2026 by H. Mikuz, Crni Vrh Observatory.

Periodic comet 10P/Tempel, obtained on 2026 June 27 (0h28-0h51UT) with 30-cm, f/3.4 Rezman I astrograph and ASI 2600MC camera. Exposure time was 6x180 seconds (18 minutes). Field size 80 x 52 arcmin. Image scale is 1.55 arcsec/pixel. Copyright © 2026 by T. Špenko, Rezman Observatory.

Periodic comet 10P, obtained on 2026 June 24 (0h50-3h14UT) with 28-cm, f/2.2 RASA astrograph and ASI 6200 MC camera. Exposure time was 56x120 seconds. Image scale is 2.47 arc sec/pixel. Image was taken at E-EYE observatory in Spain. Copyright © 2026 by R. Palcic, Rezman Observatory.