Taras Prystavski
@prystavski.bsky.social
Comet observer, amateur astronomer
Interstellar comet 3I/ATLAS
2025 Nov. 26.52 UT m1=10.0: (m2=12.6) Dia.=&3.5' Tail=21' in PA 294 deg Anti-tail=13' in PA 107 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 26.52 UT m1=10.0: (m2=12.6) Dia.=&3.5' Tail=21' in PA 294 deg Anti-tail=13' in PA 107 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
November 27, 2025 at 8:37 PM
Interstellar comet 3I/ATLAS
2025 Nov. 26.52 UT m1=10.0: (m2=12.6) Dia.=&3.5' Tail=21' in PA 294 deg Anti-tail=13' in PA 107 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 26.52 UT m1=10.0: (m2=12.6) Dia.=&3.5' Tail=21' in PA 294 deg Anti-tail=13' in PA 107 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 R3 (PANSTARRS)
2025 Nov. 09.13 UT m1=18.6 ... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.13 UT m1=18.6 ... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
November 25, 2025 at 7:10 PM
Comet C/2025 R3 (PANSTARRS)
2025 Nov. 09.13 UT m1=18.6 ... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.13 UT m1=18.6 ... [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/2024 R4 (PANSTARRS)
2025 Nov. 09.13 UT m1=16.6 (m2=16.9) Tail=0.4' in PA 123 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.13 UT m1=16.6 (m2=16.9) Tail=0.4' in PA 123 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
November 24, 2025 at 6:42 PM
Comet C/2024 R4 (PANSTARRS)
2025 Nov. 09.13 UT m1=16.6 (m2=16.9) Tail=0.4' in PA 123 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.13 UT m1=16.6 (m2=16.9) Tail=0.4' in PA 123 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 78P/Gehrels
2025 Nov. 09.11 UT m1=16.5 (m2=17.2) Tail=0.7' in PA 65 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.11 UT m1=16.5 (m2=17.2) Tail=0.7' in PA 65 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
November 23, 2025 at 6:18 PM
Comet 78P/Gehrels
2025 Nov. 09.11 UT m1=16.5 (m2=17.2) Tail=0.7' in PA 65 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.11 UT m1=16.5 (m2=17.2) Tail=0.7' in PA 65 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/2024 X2 (ATLAS)
2025 Nov. 02.35 UT m1=18.2 Tail=0.9' in PA 216 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.35 UT m1=18.2 Tail=0.9' in PA 216 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
November 22, 2025 at 6:55 PM
Comet C/2024 X2 (ATLAS)
2025 Nov. 02.35 UT m1=18.2 Tail=0.9' in PA 216 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.35 UT m1=18.2 Tail=0.9' in PA 216 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
Comet 195P/Hill
2025 Nov. 02.34 UT m1=18.3 Tail=0.3' in PA 292 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.34 UT m1=18.3 Tail=0.3' in PA 292 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
November 20, 2025 at 6:26 PM
Comet 195P/Hill
2025 Nov. 02.34 UT m1=18.3 Tail=0.3' in PA 292 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.34 UT m1=18.3 Tail=0.3' in PA 292 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/2022 R6 (PANSTARRS)
2025 Nov. 02.34 UT m1=16.6 (m2=17.4) Dia.=0.4'... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.34 UT m1=16.6 (m2=17.4) Dia.=0.4'... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
November 18, 2025 at 7:31 PM
Comet C/2022 R6 (PANSTARRS)
2025 Nov. 02.34 UT m1=16.6 (m2=17.4) Dia.=0.4'... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.34 UT m1=16.6 (m2=17.4) Dia.=0.4'... [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 T5 (ATLAS)
2025 Nov. 02.33 UT m1=14.9 (m2=15.7) Dia.=0.3' Tail=0.6' in PA 260 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.33 UT m1=14.9 (m2=15.7) Dia.=0.3' Tail=0.6' in PA 260 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
November 17, 2025 at 8:47 PM
Comet C/2024 T5 (ATLAS)
2025 Nov. 02.33 UT m1=14.9 (m2=15.7) Dia.=0.3' Tail=0.6' in PA 260 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope observatory, X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.33 UT m1=14.9 (m2=15.7) Dia.=0.3' Tail=0.6' in PA 260 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 Nov. 02.32 UT m1=12.4 (m2=14.5) Dia.=1.4' Tail=&12' in PA 253 deg
Fragment B
m1=17.0: Dia.=0.3' Possible Tail=0.3' in PA 256 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope obs., X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.32 UT m1=12.4 (m2=14.5) Dia.=1.4' Tail=&12' in PA 253 deg
Fragment B
m1=17.0: Dia.=0.3' Possible Tail=0.3' in PA 256 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope obs., X07 (remotely from Rio Hurtado Valley, Chile))
November 16, 2025 at 6:08 PM
Comet 240P/NEAT
2025 Nov. 02.32 UT m1=12.4 (m2=14.5) Dia.=1.4' Tail=&12' in PA 253 deg
Fragment B
m1=17.0: Dia.=0.3' Possible Tail=0.3' in PA 256 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope obs., X07 (remotely from Rio Hurtado Valley, Chile))
2025 Nov. 02.32 UT m1=12.4 (m2=14.5) Dia.=1.4' Tail=&12' in PA 253 deg
Fragment B
m1=17.0: Dia.=0.3' Possible Tail=0.3' in PA 256 deg... [T72] 0.51-m f/6.8 Corrected Dall-Kirkham + CCD... T. Prystavski... (iTelescope obs., X07 (remotely from Rio Hurtado Valley, Chile))
Comet C/2025 T1 (ATLAS)
2025 Nov. 09.11 UT m1=9.9 (m2=13.6) Dia.=5.4' Tail=9.0' in PA 9 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.11 UT m1=9.9 (m2=13.6) Dia.=5.4' Tail=9.0' in PA 9 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
November 9, 2025 at 6:58 PM
Comet C/2025 T1 (ATLAS)
2025 Nov. 09.11 UT m1=9.9 (m2=13.6) Dia.=5.4' Tail=9.0' in PA 9 deg... [T26] 0.51-m f/3.0 Cassegrain + CMOS... T. Prystavski... iTelescope observatory, U94 (remotely from Great Basin Desert, Beryl Junction, Utah, USA)
2025 Nov. 09.11 UT m1=9.9 (m2=13.6) Dia.=5.4' Tail=9.0' in PA 9 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 R2 (SWAN)
2025 Nov. 06.45 UT m1=9.4: (m2=13.7) Dia.=&3.8' ... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
[interference by Moon: Moon phase 0.99, altitude +13 deg]
2025 Nov. 06.45 UT m1=9.4: (m2=13.7) Dia.=&3.8' ... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
[interference by Moon: Moon phase 0.99, altitude +13 deg]
November 6, 2025 at 9:06 PM
Comet C/2025 R2 (SWAN)
2025 Nov. 06.45 UT m1=9.4: (m2=13.7) Dia.=&3.8' ... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
[interference by Moon: Moon phase 0.99, altitude +13 deg]
2025 Nov. 06.45 UT m1=9.4: (m2=13.7) Dia.=&3.8' ... [T32] 0.43-m f/6.8 Corrected Dall-Kirkham Astrograph + CMOS... iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
[interference by Moon: Moon phase 0.99, altitude +13 deg]
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]
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]
November 4, 2025 at 8:39 PM
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]
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))
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))
October 28, 2025 at 8:21 PM
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))
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))
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))
October 26, 2025 at 8:52 PM
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))
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))
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))
October 25, 2025 at 8:14 PM
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))
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))
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))
October 23, 2025 at 6:58 PM
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))
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))
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))
October 22, 2025 at 7:37 PM
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))
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)
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)
October 21, 2025 at 7:04 PM
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)
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))
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))
October 18, 2025 at 4:08 PM
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))
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))
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))
October 17, 2025 at 4:36 PM
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))
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))
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))
October 15, 2025 at 6:30 PM
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))
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 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)
October 13, 2025 at 8:53 PM
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 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/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)
October 12, 2025 at 6:39 AM
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/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)
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)
October 9, 2025 at 5:15 PM
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)
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))
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))
October 2, 2025 at 8:24 PM
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))
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))