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Comets - 2025
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2024
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Comets
2025
David's Astronomy Pages (Solar System)
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Comets 2024 |
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Comets 2025 |
Comets Images (2025) Notes
19P/Borrelly Mar 2025 (non-detection) 29P/Schwassmann-Wachmann Mar-Apr 2025 C/2021 X1 (Maury-Attard) Mar 2025 (non-detection) C/2022 E2 (ATLAS) Mar-Apr 2025 C/2023 A3 (Tsuchinshan-ATLAS) Mar 2025 C/2025 F2 (SWAN) - Comet Apr 2025
- This page summarises images and observations of comets in 2025.
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| 19P/Borrelly - 2025-03-18 (passing through Ophiuchus) Sun Distance 5.88 AU (receeding) Earth Distance 5.54 AU (829.2 million km) Expected position of comet (not visible) is shown by white circle |
19P/Borrelly - 2025-03-18, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -0.98 arcsec/hr, Dec -0.24 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 45s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 04:49 UT (#1302239-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 04:49 UT (#1302239-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of 19P/Borrelly on Comets 2022 Page >> |
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| 29P/Schwassmann-Wachmann - 2025-03-14 (passing through Leo) Sun Distance 6.27 AU (turning) Earth Distance 5.39 AU (805.7 million km) |
29P/Schwassmann-Wachmann - 2025-03-14 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -13.32 arcsec/hr, Dec 3.51 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-14 23:56 UT (#1301109-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-03-18 (passing through Leo) Sun Distance 6.27 AU (turning) Earth Distance 5.42 AU (810.7 million km) |
29P/Schwassmann-Wachmann - 2025-03-18 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -12.21 arcsec/hr, Dec 3.22 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 21:45 UT (#1303036-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-03-29 (passing through Leo) Sun Distance 6.27 AU (turning) Earth Distance 5.52 AU (826.2 million km) |
29P/Schwassmann-Wachmann - 2025-03-29 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -8.88 arcsec/hr, Dec 2.31 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-29 01:36 UT (#1306094-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-03-31 (passing through Leo) Sun Distance 6.27 AU (turning ?) Earth Distance 5.56 AU (831.3 million km) |
29P/Schwassmann-Wachmann - 2025-03-31 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -12.21 arcsec/hr, Dec 3.22 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-31 22:46 UT (#1307027-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-04-02 am (passing through Leo) Sun Distance 6.27 AU (turning ?) Earth Distance 5.57 AU (833.3 million km) |
29P/Schwassmann-Wachmann - 2025-04-02 am Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -7.43 arcsec/hr, Dec 1.90 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-04-02 01:00 UT (#1308100-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-04-02 pm (passing through Leo) Sun Distance 6.27 AU (turning ?) Earth Distance 5.58 AU (834.9 million km) |
29P/Schwassmann-Wachmann - 2025-04-02 pm Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -7.10 arcsec/hr, Dec 1.81 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-04-02 22:02 UT (#1309040-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-04-03 (passing through Leo) Sun Distance 6.27 AU (turning ?) Earth Distance 5.59 AU (836.7 million km) |
29P/Schwassmann-Wachmann - 2025-04-03 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -6.73 arcsec/hr, Dec 1.70 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 8 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-04-03 22:03 UT (#1310037-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| 29P/Schwassmann-Wachmann - 2025-04-09 (passing through Leo) Sun Distance 6.27 AU (turning ?) Earth Distance 5.67 AU (848.4 million km) |
29P/Schwassmann-Wachmann - 2025-04-09 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -4.45 arcsec/hr, Dec 1.03 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (median average combine), 3x3 binning, Clear Filter 2025-04-09 21:54 UT (#1313022-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >> | ||
| Images of 29P/Schwassmann-Wachmann on Comets 2024 Page >> | ||
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| C/2021 X1 (Maury-Attard) - 2025-03-18 (passing through Delphinus) Sun Distance 6.63 AU (receeding) Earth Distance 7.23 AU (1081.4 million km) Expected position of comet (not visible) is shown by white circle |
C/2021 X1 (Maury-Attard) - 2025-03-18 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 4.62 arcsec/hr, Dec 12.37 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 03:56 UT (#1302215-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 04:00 UT (#1302215-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2021 X1 (Maury-Attard) on Comets 2023 Page >> |
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| C/2022 E2 (ATLAS) - 2025-03-14 (passing through Andromeda) Sun Distance 4.01 AU (receeding) Earth Distance 4.47 AU (669.4 million km) |
C/2022 E2 (ATLAS) - 2025-03-14 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 10.66 arcsec/hr, Dec -9.79 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-03-14 21:22 UT (#1301051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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| C/2022 E2 (ATLAS) - 2025-04-01 (passing through Andromeda) Sun Distance 4.07 AU (receeding) Earth Distance 4.73 AU (707.1 million km) |
C/2022 E2 (ATLAS) - 2025-04-01 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 14.01 arcsec/hr, Dec -2.52 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-04-01 21:02 UT (#1308007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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| Images of C/2022 E2 (ATLAS) on Comets 2023 Page >> | ||
| Images of C/2022 E2 (ATLAS) on Comets 2024 Page >> |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-18 (passing through Delphinus) Sun Distance 3.05 AU (receeding) Earth Distance 3.54 AU (529.2 million km) |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-18 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 5.30 arcsec/hr, Dec 25.48 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 03:32 UT (#1302198-200) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 03:32 UT (#1302198-200) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-19 (passing through Delphinus) Sun Distance 3.07 AU (receeding) Earth Distance 3.54 AU (529.4 million km) |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-19 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 4.73 arcsec/hr, Dec 25.59 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-03-19 03:56 UT (#1303172-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 9 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-03-19 03:58 UT (#1303172-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-29 (passing through Delphinus) Sun Distance 3.19 AU (receeding) Earth Distance 3.55 AU (530.3 million km) Poor quality image (single frame) Comet is barely visible |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-03-29 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -1.35 arcsec/hr, Dec 26.50 arcsec/hr) Poor quality image (single frame) |
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| Annotated CCD Image (50% size, square root scale) 30s exposure (single frame), 3x3 binning, Clear Filter 2025-03-29 03:56 UT (#1306178) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 30s exposure (single frame), 3x3 binning, Clear Filter 2025-03-29 03:56 UT (#1306178) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-01 (passing through Delphinus) Sun Distance 3.23 AU (receeding) Earth Distance 3.54 AU (530.2 million km) |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-01 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -3.31 arcsec/hr, Dec 26.68 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-01 03:04 UT (#1307123-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 10 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-01 03:07 UT (#1307123-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-02 (passing through Delphinus) Sun Distance 3.24AU (receeding) Earth Distance 3.54 AU (530.1 million km) |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-02 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -3.96 arcsec/hr, Dec 26.73 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-02 02:18 UT (#1308160-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 9 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-02 02:18 UT (#1308160-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-04 (passing through Delphinus) Sun Distance 3.27 AU (receeding) Earth Distance 3.54 AU (529.8 million km) |
C/2023 A3 (Tsuchinshan-ATLAS) - 2025-04-04 Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -5.37 arcsec/hr, Dec 26.81 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-04 03:39 UT (#1310155-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 10 x 30s exposure (average combine), 3x3 binning, Clear Filter 2025-04-04 03:41 UT (#1310155-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2023 A3 Tsuchinshan-ATLAS on Comets 2024 Page >> |
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| C/2025 F2 (SWAN) - 2025-04-10 (passing through Pegasus) Sun Distance 0.67 AU Earth Distance 1.35 AU (201.4 million km) |
C/2025 F2 (SWAN) - 2025-04-10 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 218.19 arcsec/hr, Dec 111.89 arcsec/hr) |
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| Annotated CCD Image (50% size, log scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2025-04-10 03:27 UT (#1313182) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-10 03:32 UT (#1313182-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2025 F2 (SWAN) - 2025-04-10, Movement Animated gif covering a 7 minute period showing relatively rapid movememt of come relative to background stars (Ra 218.19 arcsec/hr, Dec 111.89 arcsec/hr) |
C/2025 F2 (SWAN) - 2025-04-10 Detail Showing faint tail |
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| Annotated CCD Image (50% size, log scale) 7 x 60s frames 3x3 binning, Clear Filter 2025-04-10 03:27 to 03:36 UT (#1313182-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (70% size, log scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-10 03:32 UT (#1313182-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2025 F2 (SWAN) - 2025-04-10, Wider View Image | C/2025 F2 (SWAN) - 2025-04-10, Wider View Image | |
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| Cam2 Reference Image (12% size, linear scale) 10s exposure, 1x1 binning 2025-04-10 03:23 UT (04:32 LT) TS 80mm + ZWO 174MC |
Cam2 Reference Image (12% size, linear scale) 10s exposure, 1x1 binning 2025-04-10 03:23 UT (04:32 LT) TS 80mm + ZWO 174MC |
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| C/2025 F2 (SWAN) - 2025-04-12 (passing through Pegasus) Sun Distance 0.62 AU (approaching) Earth Distance 1.29 AU (193.6 million km) |
C/2025 F2 (SWAN) - 2025-04-12 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 247.45 arcsec/hr, Dec 112.16 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2025-04-12 03:23 UT (#1315172) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-12 03:25 UT (#1315171-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2025 F2 (SWAN) - 2025-04-12 Detail Highlighting the comet's thin but obvious tail |
C/2025 F2 (SWAN) - 2025-04-12 Detail Showing faint tail |
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| Negative CCD Image (50% size, square root scale) Image details as above |
Annotated CCD Image (70% size, log scale, cropped) Image details as above |
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| This Web Page: | Comet Images - 2025 |
| Last Updated : | 2025-04-13 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
