Object gb00810 2025 Nov. 04.36 UT m1=11.2: Dia.=&1.7'... [T75] 0.25-m f/3.8 Newtonian reflector + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile)) [morning twilight: Sun alt. -15 deg.; possible interference by Moon: Moon phase 0.98, altitude +2 deg]

Comet C/2025 L2 (MAPS) 2025 Oct. 11.08 UT m1=18.3 (m2=18.4) Tail=1.2' in PA 48 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 145P/Shoemaker-Levy 2025 Oct. 10.09 UT m1=16.8 (m2=17.8) Dia.=0.3' Tail=0.4' in PA 88 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 188P/LINEAR-Mueller 2025 Oct. 10.09 UT m1=18.8 Dia.=0.1'... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2025 K1 (ATLAS) 2025 Oct. 23.36 UT m1=9.2: Dia.=&1.3' Tail=&14' in PA 279 deg... [T75] 0.25-m f/3.8 Newtonian reflector + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2024 R4 (PANSTARRS) 2025 Oct. 10.06 UT m1=16.6 (m2=17.0) Dia.=0.2' Tail=0.2' in PA 135 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2024 E1 (Wierzchos) 2025 Oct. 21.11 UT m1=12.6 (m2=14.9) Dia.=1.7' Tail=4.9' in PA 24 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)

Comet 491P/Spacewatch-PANSTARRS 2025 Sep. 11.02 UT m1=18.0: (m2=18.4) Dia.=0.2' 2025 Oct. 10.08 UT m1=18.2 (m2=18.8) Tail=0.1' in PA 322 deg [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 78P/Gehrels 2025 Sep. 11.03 UT m1=17.1 (Gaia Broadb. (G)) m2=17.6 Af(Rho)=41±4 cm Dia.=0.2' Tail=0.4' in PA 86 deg 2025 Oct. 10.07 UT m1=16.9 (Gaia Broadb. (G)) m2=17.6 Af(Rho)=42±4 cm Dia.=0.2' Tail=0.3' in PA 65 deg (iTelescope obs., [T72] X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2013 C2 (Tenagra) 2025 Oct. 14.50 UT m1=18.7: ...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 240P/NEAT and a fragment B. Comet 240P/NEAT 2025 Oct. 03.75 UT m1=13.3 (m2=15.2) Dia.=1.1' Tail=&8.7' in PA 259 deg... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)

Comet in outburst! Comet C/2013 C2 (Tenagra) 2025 Oct. 11.44 UT m1=18.0: Dia.=&0.2' Tail=0.2' in PA 115 deg... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)

Comet C/2025 A6 (Lemmon) 2025 Oct. 01.45 UT m1=6.8: (m2=10.7) Dia.=9.9' Tail>1 deg in PA 304 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)

Comet C/2025 A6 (Lemmon) 2025 Oct. 01.49 UT m1=6.8: Dia.=10.4' Tail>3 deg in PA 303 deg... [T14] 0.11-m f/5.0 astrograph + CCD... T. Prystavski (iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA))

Comet 210P/Christensen 2025 Sep. 10.03 UT m1=18.3 ... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2022 N2 (PANSTARRS) 2025 Sep. 04.40 UT m1=14.1 (m2=15.7) Dia.=0.8' Tail=7.9' in PA 254 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 47P/Ashbrook-Jackson 2025 Sep. 04.39 UT m1=15.2 (m2=16.3) Dia.=0.4' Tail=3.3' in PA 245 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2023 RS61 (PANSTARRS) 2025 Sep. 04.38 UT m1=17.0 Dia.=0.2'... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 48P/Johnson 2025 Sep. 03.79 UT m1=15.9 (m2=17.5) Dia.=0.8' Tail=&5' in PA 252 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2024 T5 (ATLAS) 2025 Sep. 03.77 UT m1=15.5: Dia.=0.3' Tail=0.7' in PA 244 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 486P/Leonard 2025 Sep. 03.76 UT m1=17.1: Dia.=&0.4' Tail=&0.6' in PA 244 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 145P/Shoemaker-Levy 2025 Sep. 03.76 UT m1=16.8 (m2=17.9) Dia.=0.6'...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2025 K1 (ATLAS) 2025 Sep. 11.01 UT m1=11.1 (m2=13.5) Dia.=2.2' Tail=&10.7' in PA 102 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2025 R2 (SWAN) 2025 Sep. 14.99 UT m1=6.9: Dia.=&3.0' Tail=5 deg in PA 116 deg... [T70] 0.07-m f/2.0 refractor + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile)) [evening twiligt: Sun alt. -16 deg]

Comet C/2024 E1 (Wierzchos) 2025 Sep. 12.16 UT m1=13.9 (m2=15.6) Dia.=1.0' Tail=2.3' in PA 48 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)

Comet 3I/ATLAS 2025 Sep. 10.02 UT m1=13.9 (m2=15.3) Dia.=1.6' Tail=1.9' in PA 104 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2024 J3 (ATLAS) 2025 Aug. 13.48 UT m1=15.5: Dia.=&0.4'...[T30] 0.51-m f/4 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2025 L2 (MAPS) 2025 Aug. 12.43 UT m1=18.0 Dia.=0.2' Tail=0.8' in PA 341 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 502P/NEAT 2025 Aug. 12.42 UT m1=19.0 (m2=19.1) Tail=0.2' in PA 237 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 351P/Wiegert-PANSTARRS 2025 Aug. 11.40 UT m1=18.5: Dia.=&0.2' Tail=&0.4' in PA 186 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia)) [Moon phase 0.95, altitude +1 deg.]

Comet C/2024 G6 (ATLAS) 2025 Aug. 11.39 UT m1=17.5 (m2=18.0) Dia.=0.2' Tail=1.3' in PA 151 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 131P/Mueller 2025 Aug. 06.42 UT m1=18.3 (m2=19.0)... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 3I/ATLAS 2025 Aug. 24.43 UT m1=14.7 (m2=16.1) Dia.=0.3' Tail=0.4' in PA 100 deg... [T33] 0.3-m f/9 reflector + CCD... T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 240P/NEAT 2025 Aug. 04.80 UT m1=14.0 (m2=15.8) Dia.=0.7' Tail=6.2' in PA 249 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2024 T5 (ATLAS) 2025 Aug. 04.79 UT m1=16.1 (m2=16.5) Dia.=0.2' Tail=0.9' in PA 236 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 3I/ATLAS 2025 Aug. 21.43 UT m1=15.2 (m2=16.2) Dia.=0.3' Tail=0.3' in PA 129 deg ... [T33] 0.3-m f/9 reflector + CCD... T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 47P/Ashbrook-Jackson 2025 Aug. 04.78 UT m1=16.1 (m2=17.0) Dia.=0.4' Tail=5.6' in PA 241 deg...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Since Aug. 13 no sufficient changes in brightness. The comet's brightness stalled. Comet 3I/ATLAS 2025 Aug. 17.41 UT m1=15.8 (m2=16.2) ... [T33] 0.3-m f/9 reflector + CCD... T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2025 K1 (ATLAS) 2025 Aug. 13.47 UT m1=12.1 (m2=14.1) Dia.=1.5' Tail=&7.5' in PA 107 deg...[T30] 0.51-m f/4 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 356P/WISE 2025 Aug. 12.43 UT m1=20.6 ...[T59] 0.51-m f/6.8 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet 3I/ATLAS 2025 Aug. 10.43 UT m1=16.0: (m2=16.4) Dia.=&0.2'...[T30] 0.51-m f/4 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia)) [interference by Moon: Moon phase 0.99, altitude +22 deg.]

Comet C/2024 E1 (Wierzchos) 2025 Aug. 09.22 UT m1=14.1: (m2=15.8) Dia.=&0.6' Tail=&0.9' in PA 72 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope obs., U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA) [interference by Moon: Moon phase 1.00, alt +25 deg.]

Comet C/2025 K1 (ATLAS) 2025 Aug. 05.44 UT m1=12.7: Dia.=&0.9' Tail=&3.8' in PA 134 deg... [T14] 0.11-m f/5.0 astrograph + CCD... T. Prystavski (iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA))

Comet C/2024 L5 (ATLAS) 2025 Jul. 14.04 UT Dia.=&0.3' Tail in PA 119 deg... [T75] 0.25-m f/3.8 Newtonian reflector + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2023 T3 (Fuls) 2025 Jul. 14.03 UT m1=16.1 (m2=17.3) Dia.=0.9'... [T75] 0.25-m f/3.8 Newtonian reflector + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2021 G2 (ATLAS) 2025 Jul. 14.02 UT m1=13.6 (m2=15.7) Dia.=1.4' Tail=17.7' in PA 232 deg... [T75] 0.25-m f/3.8 Newtonian reflector + CMOS... T. Prystavski (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2023 F3 (ATLAS) 2025 Jul. 13.37 UT m1=16.9: Dia.=0.3' Tail=3.0' in PA 126 deg...[T30] 0.51-m f/4 Corrected Dall-Kirkham Astrograph + CCD... T. Prystavski... (iTelescope observatory, Q62 (remotely from Siding Spring, Australia))

Comet C/2022 N2 (PANSTARRS) 2025 Jul. 07.42 UT m1=14.4 (m2=15.9) Dia.=0.8' Tail=5.6' in PA 253 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet C/2025 L1 (ATLAS) 2025 Jul. 07.41 UT m1=16.8: (m2=17.7) Dia.=0.2' Tail in PA 298 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))

Comet 240P/NEAT 2025 Jul. 07.40 UT m1=13.8 (m2=15.1) Dia.=0.5' Tail=1.9' in PA 236 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))