2021t4 20230711 tprystavski

Bright and fast (motion 6.94"/min) comet C/2021 T4 (Lemmon). I took 30 very short exposures, 20 sec. each and I think both dust and ion tails are visible. Very uncertain of an ion tail length (6' or more). Nuclear brightness m2=13.5.

Comet C/2021 T4 (Lemmon)
2023 Jul. 11.58 UT m2=13.5 Dia.=&9' Tails= &6' in PA 48 deg (dust); &6' in PA 275 deg (ion)... [T33] 0.3-m f/9 reflector + CCD... © T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))