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Objects Session Notes
19P/Borrelly - Comet (non-detection) C/2021 X1 (Maury-Attard) - Comet (non-detection) C/2023 A3 (Tsuchinshan-ATLAS) - Comet AT 2022acqx - Transient AT 2023osr - CV Type Transient (non-detection) AT 2024re - CV Type Transient AT 2024wzq - CV Type Transient AT 2025la - Transient (non-detection) AT 2025lr - Afterglow Type Transient (non-detection) 2MFGC 13744 - Galaxy with Type II Supernova 2024afyu IC 4479 - Spiral Galaxy with Type Ia Supernova 2024afpi SN 2024aeey - Type Ia Supernova UGC 5695 - Spiral Galaxy with Type II Supernova 2025cfc UGC 10913 - Spiral Galaxy with Transient AT 2025hy - Comet 49P/Arend-Rigaux, AT2024gfk, NGC 2642 w/SN2023aaby, NGC 2986 w/SN2025gj, NGC 3200 & UGCA 167 attempts failed (due to bad guiding) Variable Stars (photometric monitoring) - BL Lac, T CrB - RZ LMi attempt failed (due to bad guiding) Nearby Stars (astrometric monitoring) - HH And, Barnards Star - Teegardens Star attempt failed (due to bad guiding)
- Attempted night session (9.3h),. Images froms first 9 targets rejected due to Foc2 Focusing Issue and consequential bad guiding - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -1°C (min) - CCD Temperature: -20°/--25°C - Notes from 2025-03-17 >> - Aurora Images from 2025-03-17 >>
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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 >> | ||
Images of 19P/Borrelly on Comets 2025 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 >> | ||
Images of C/2021 X1 (Maury-Attard) on Comets 2025 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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Images of C/2023 A3 Tsuchinshan-ATLAS on Comets 2024 Page >> | ||
Images of C/2023 A3 Tsuchinshan-ATLAS on Comets 2025 Page >> |
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AT 2022acqx (Pegasus) AT 2022acqx (Type: unk) discovered 2022-12-10.501 UT by MASTER Alias: MASTER OT J221424.76+223053.4 Discovery Magnitude 15.1 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 18.6 [ TNS 2022acqx ] |
AT 2022acqx - 2025-03-18 (T+828.7d) Image below (2025-03-18.174) was taken 828.7 days after discovery of 2022acqx Positon of earlier transient (distinct) is shown by white cross hairs. Measured magnitude +14.56 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 04:20 UT (#1302224-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2022acqx on Transients 2022 Page >> |
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AT 2023osr (Hercules) AT 2023osr (Type: CV) discovered 2023-08-07.391 UT by ATLAS Alias: ATLAS23qkt Discovery Magnitude 16.89 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.34 [ TNS 2023osr ] |
AT 2023osr - 2025-03-18 (T+588.7d) Image below (2025-03-18.095) was taken 588.7 days after discovery of 2023osr Positon of earlier transient (not visible) is shown by white cross hairs. Non-Detection Limiting Magnitude +14.56 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 02:26 UT (#1302151-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2023osr on Transients 2023 Page >> |
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AT 2024re (Lyra) AT 2024re (Type: CV) discovered 2024-01-05.585 UT by Gaia Alias: Gaia24aeg Discovery Magnitude 16.21 (G-Gaia Filter) vs Historic Magnitude 17.70 +/- 0.62 SD Candidate CV in 2mag outburst [ TNS 2024re | Gaia24aeg ] |
AT 2024re - 2025-03-18 (T+437.5d) Image below (2025-03-18.117) was taken 437.5 days after discovery of 2024re Positon of earlier transient (very faint/barely visible) is shown by white cross hairs. Measured Magnitude +18.40 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 02:51 UT (#1302175-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2024re on Transients 2024 Page >> |
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AT 2024wzq (Serpens) AT 2024wzq (Type: CV) discovered 2024-09-28.573 UT by Gaia Alias: Gaia24csr Discovery Magnitude 13.97 (G-Gaia Filter) vs Historic Magnitude 14.75 +/- 0.26 SD 0.7 mag brightening in Gaia and WISE source [ TNS 2024wzq | Gaia24csr ] |
AT 2024wzq - 2025-03-18 (T+170.6d) Image below (2025-03-18.190) was taken 170.6 days after discovery of 2024wzq Positon of earlier transient (very faint/barely visible) is shown by white cross hairs. Measured Magnitude +14.27 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 04:37 UT (#1302232-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2024wzq on Transients 2024 Page >> |
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AT 2025la (Cygnus) AT 2025la (Type: unk) discovered 2025-01-11.109 UT by Gaia Alias: Gaia25acy Discovery Magnitude 16.89 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.34 [ TNS 2025la | Gaia25acy ] |
AT 2025la - 2025-03-18 (T+66.0d) Image below (2025-03-18.125) was taken 66.0 days after discovery of 2025la Positon of earlier transient (not visible) is shown by white cross hairs. Non-Detection Limiting Magnitude +18.5 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 03:08 UT (#1302182-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2025la on Transients 2025 Page >> |
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AT 2025lr (Crater) AT 2025lr (Type: Afterglow) discovered 2025-01-14.316 UT by MASTER Alias: MASTER OT J110618.40-150641.1, GRB 250114A Discovery Magnitude 15.9 (? Filter) vs Prior Non-Detection Limiting Magnitude 19.7 Remarks: GRB 250114A optical counterpart [ TNS 2025lr ] |
AT 2025lr - 2025-03-17 (T+62.7d) Image below (2025-03-17.995) was taken 62.7 days after discovery of 2025lr Positon of reported transient (faded & no longer visible) is shown by white circle Non-Detection Limiting Magnitude +18.5 (Clear Filter) |
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Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-17 23:56 UT (#1302100-01) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2025lr on Transients 2025 Page >> |
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2MFGC 13744 with SN 2024afyu (Ophiuchus) |
2MFGC 13744 with SN 2024afyu (T+78.5d) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:30 UT (#1302129-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
2MFGC 13744 with SN 2024afyu - 2025-03-18 (T+78.5d) Image below (2025-03-18.057) was taken 78.5 days after discovery of 2024afyu Position of reported supernova (distinct) is shown by white cross-hairs Measured Magnitude +14.80 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:30 UT (#1302129-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2024afyu (in 2MFGC 13744) on Supernova 2024 Page >> |
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IC 4479 with SN 2024afpi (Bootes) |
IC 4479 - Spiral Galaxy IC 4479 (alias PGC 52338, catalog mag +13.8) with adjacent galaxies IC 4477 (catalog mag +15.5), PGC 214309 (catalog mag +17.2) & PGC 1835366 (catalog mg +18.4) |
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Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:08 UT (#1302122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
IC 4479 with SN 2024afpi - 2025-03-18 (T+78.4d) Image below (2025-03-18.041) was taken 78.4 days after discovery of 2024afpi Position of reported supernova (very faint) is shown by white cross-hairs Estimated Magnitude +19.5 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:08 UT (#1302122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2024afpi (in IC 4479) on Supernova 2024 Page >> |
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NGC 3521 with SN 2024aecx (Leo) |
NGC 3521 - Spiral Galaxy Hidden Treasures 56 [ Hidden Treasures ] |
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Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 00:22 UT (#1302107-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 3521 - Detail |
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Annotated CCD Image (85% size, square root scale, cropped) Image details as above |
NGC 3521 with SN 2024aecx - 2025-03-18 (T+91.5d) Image below (2025-03-18.009) was taken 91.5 days after discovery of 2024aecx Position of reported supernova (not distinguishable) is shown by white cross-hairs |
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Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 00:22 UT (#1302107-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
NGC 3521 with SN 2024aecx - Detail (T+91.5d) Position of reported supernova (not visible) is shown by white cross-hairs |
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Annotated CCD Image (150% size, log scale, cropped) Image details as above |
Images of SN 2024aecx (in NGC 3521) on Supernova 2024 Page >> |
NGC 3521 - Earlier Image (2007) |
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CCD Image 7 x 180s exposure (average combine), 2x2 binning, C filter, 2007-02-18 00:25h UT (#176221-27) 8" LX200 Classic + ST-7E |
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AT 2024aeey (Draco) |
AT 2024aeey - 2025-03-18 (T+92.9d) Image below (2025-03-18.027) was taken 92.9 days after discovery of 2024aeey Position of reported supernova (faint) is shown by white cross-hairs Measured Magnitude +17.68 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 00:48 UT (#1302115-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
SN 2024aeey - Earlier Image, 2024-12-24 (T+9.7d) Image below (2024-12-24.831) was taken 9.7 days after discovery of 2024aeey Position of reported supernova (distinct) is shown by white cross-hairs Measured Magnitude +15.62 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-12-24 20:05 UT (#1287045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2024aeey on Supernova 2024 Page >> |
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UGC 5695 with SN 2025cfc (Leo) |
UGC 5695 - Spiral Galaxy with SN 2025cfc (T+25.1d) |
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Annotated CCD Image (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-17 23:45 UT (#1302096-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
UGC 5695 with SN 2025cfc - 2025-03-17 (T+25.1d) Image below (2025-03-17.988) was taken 25.1 days after discovery of 2025cfc Position of reported supernova (faint but distinct) is shown by white cross-hairs Measured Magnitude +16.26 (Clear Filter) Poor quality image (trailed stars) |
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Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-17 23:45 UT (#1302096-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2025cfc (in UGC 5695) on Supernova 2025 Page >> |
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UGC 10913 with AT 2025hy (Hercules) |
UGC 10913 - Spiral Galaxy |
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Annotated CCD Image (70% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:52 UT (#1302136-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
UGC 10913 with AT 2025hy - 2025-03-18 (T+75.5d) Image below (2025-03-18.072) was taken 75.5 days after discovery of 2025hy Position of reported transient (very faint / barely detectable) is shown by white cross-hairs Poor quality image (trailed stars) |
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Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-03-18 01:52 UT (#1302136-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2025hy (in UGC 10913) on Supernova 2025 Page >> |
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This Web Page: | Images - Session 1302 (2025-03-17) |
Last Updated : | 2025-03-23 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |