David's Astronomy - Images 2025-10-29 (S1371)

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Images - Session 1371 (2025-10-29)

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Objects Session Notes

24P/Schaumasse - Comet (non-detection)

29P/Schwassmann-Wachmann - Comet (non-detection)

C/2022 N2 (PANSTARRS) - Comet

C/2025 K1 (ATLAS) - Comet

AT 2022vdr - CV Type Transient

AT 2023vqz - Type QSO Transient in WISEA Galaxy

AT 2023wfq - Type YSO Transient

AT 2024accj - Type AGN Transient

AT 2025lc - CV Type Transient

AT 2025vel - Transient

AT 2025abfn - Transient

M31 - Spiral Galaxy with EGN Type Transient AT 2025wwe (non-detection)

MCG -3-12-11 - Spiral Galaxy with Type Ia Supernova 2022ucj (non-detection)

NGC 3106 - Spiral Galaxy with Type Ia Supernova 2025aauj

NGC 7331 - Spiral Galaxy with Type Ia Supernova 2025rbs

SN 2025aarn - Type II Supernova

UGC 3458 - Spiral Galaxy with Type II Supernova 2025yao

UGC 5695 - Spiral Galaxy with Type II Supernova 2025cfc

- AT2024fxd attempt failed (due to cloud/too few stars)

Variable Stars (photometric monitoring)

- BL Lac

Nearby Stars (astrometric monitoring)

- 61, Cyg, Giliese 65, Groombridge 34, Teegardens Star

- Night Session (8.0hr), interrupted by cloud on multiple occasions.

- 12" LX200 + ST-10XME for imaging

- TS 80mm APO + ZWO ASI178MC for guiding & imaging

- Ambient Temperature: 4°C (min)

- CCD Temperature: -20°C

- Notes from 2025-10-29 >>

- Aurora Images from 2025-10-29 / 2025-10-30 >>

-

24P/Schaumasse - Comet (non-detection)

24P/Schaumasse - 2025-10-30 (passing through Cancer) Sun Distance 1.49 AU Earth Distance 0.98 AU (146.1 million km)		24P/Schaumasse - 2025-10-30 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 128.1 arcsec/hr, Dec 2.7 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 8 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-10-30 04:52 UT (#1371164-71) 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

Images of 24P/Schaumasse on Comets 2025 Page >>

29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2025-10-30 (passing through Leo) Sun Distance 6.30 AU (receeding slowly) Earth Distance 6.93 AU (1036.9 million km)		29P/Schwassmann-Wachmann - 2025-10-30 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 19.9 arcsec/hr, Dec -10.9 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 9 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-10-30 05:19 UT (#1371180-88) 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

Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >>
Images of 29P/Schwassmann-Wachmann on Comets 2024 Page >>
Images of 29P/Schwassmann-Wachmann on Comets 2025 Page >>

C/2022 N2 (PANSTARRS) - Comet

C/2022 N2 (PANSTARRS) - 2025-10-30 (passing through Taurus) Sun Distance 3.91 AU (receeding) Earth Distance 2.97 AU (443.7 million km)		C/2022 N2 (PANSTARRS) - 2025-10-30 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -12.6 arcsec/hr, Dec -1.7 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-10-30 00:40 UT (#1371078-84) 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

Images of C/2022 N2 (PANSTARRS) on Comets 2025 Page >>

C/2025 K1 (ATLAS) - Comet

C/2025 K1 (ATLAS) - 2025-10-30
(passing through Virgo)
Sun Distance 0.68 AU (receeding)
Earth Distance 0.87 AU (130.0 million km)

Cam2 Reference Image

Annotated CMOS Image (16% size)
(10s exposure, 1x1 binning)
2025-10-307 05:31 UT
TS 80mm APO, ZWO ASI178MC

C/2025 K1 (ATLAS) - 2025-10-30 (passing through Virgo) Sun Distance 0.68 AU (receeding) Earth Distance 0.87 AU (130.0 million km)		C/2025 K1 (ATLAS) - 2025-10-30 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -55.8 arcsec/hr, Dec 150.8 arcsec/hr)

Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-10-30 05:33 UT (#1371193-94) 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) 15 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-10-30 05:41 UT (#1371193-207) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2


		Annotated CCD Image (175% size, square root scale, cropped) Image details as above
Images of C/2025 K1 (ATLAS) on Comets 2025 Page >>

AT 2022vdr - CV Type Transient

AT 2022vdr (Orion)
AT 2022vdr (Type: CV) discovered 2022-09-20.378 UT by MASTER
Alias: MASTER OT J052749.27+064639.1
Discovery Mag 14.8 (Clear Filter)
( TNS 2022vdr )

AT 2022vdr - 2025-10-30 (T+1135.7d)
Image below (2025-10-30.067) was taken 1135.7 days after discovery of 2022vdr
Position of earlier transient (fading) is shown by white cross-hairs
Measured magnitude +15.64

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 01:40 UT (#1371099-103)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022vdr - Earlier Image 2025-04-03 (T+926.5d)
Image below (2025-04-03.858) was taken 926.5 days after discovery of 2022vdr
Position of reported transient (distinct) is shown by white cross-hairs
Measured magnitude +13.41(Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-04-03 20:38 UT (#1310007-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022vdr on Transients 2022 Page >>

AT 2023vqz - Type QSO Transient in WISEA Galaxy

AT 2023vqz (Auriga)
In WISEA J064410.86+354644.6
AT 2023vqz (Type: QSO) discovered 2023-10-16.370 UT by Gaia
Alias: Gaia23cxv
Discovery magnitude 15.39 (G-Gaia Filter)
vs Historic magnitude 16.31 +/- 0.25 SD

Brightening in known QSO
Gaia, 2019-04-11 18:20, mag 16.08
Gaia, 2020-03-13 07:16, mag 15.90
Gaia, 2023-04-09 20:40, mag 15.50
Gaia, 2023-10-16 10:40, mag 15.41
( Whilst discovery alert only triggered on 2023-10-16 (at Historic Mag - 3 *SD)
the QSO has been brighter than normal range (16.0-16.6) since 2020-03-13 )
( TNS 2023vqz | Gaia23cxv )

AT 2023vqz - 2025-10-30 (T+744.8d)
Image below (2025-10-30.140) was taken 744.8 days after discovery of 2023vqz
Position of reported transient (faint but distinct) is shown by white cross-hairs
Measured Magnitude + 15.06 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 03:29 UT (#1371130-33)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023vqz (in WISEA Galaxy) on Transients 2023 Page >>

AT 2023wfq - Type YSO Transient

AT 2023wfq (Orion)
AT 2023wfq (Type: YSO) discovered 2023-10-26.387 UT by Gaia
Alias: Gaia23czv
Alerting Magnitude 14.59 (G-Gaia Filter)
vs Historic Magnitude 15.62 +/- 0.34 SD
Brightening in known YSO
( TNS 2023wfq | Gaia23czv )

AT 2023wfq - 2025-10-30 (T+734.7d)
Image below (2025-10-30.127) was taken 734.7 days after discovery of 2023wfq
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +15.46 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 03:10 UT (#1371124-27)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023wfq on Transients 2023 Page >>

AT 2024accj - Type AGN Transient

AT 2024accj (Leo)
Alias: In WISEA J093139.04+320400.1
AT 2024accj (Type: AGN) discovered 2024-11-21.656 UT by Gaia
Alias: Gaia24dkm
Alerting Magnitude 16.86 (G-Gaia Filter)
vs Historic Magnitude 17.73 +/- 0.29 SD
Long-term brightening in known Seyfert 1 galaxy
Object has brightened from mag 18.5 in 2024-2015
to mag 16.9 in 2024
( TNS 2024accj | Gaia24dkm )

AT 2024accj - 2025-10-30 (T+342.5d)
Image below (2025-10-30.162) was taken 342.5 days after discovery of 2024accj
Position of earlier transient (faint) is shown by white cross-hairs
Measured Magnitude +16.30 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 03:56 UT (#1371142-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024accj on Transients 2024 Page >>

AT 2025lc - CV Type Transient

AT 2025lc (Cygnus)
AT 2025lc (Type: CV) discovered 2025-01-10.553 UT by Gaia
Alias: Gaia25add
Alerting Magnitude 14.48 (G-Gaia Filter)
vs Historic Magnitude 15.89 +/- 0.61 SD
Outburst in candidate CV
( TNS 2025lc | Gaia25add )

AT 2025lc - 2025-10-29 (T+292.4d)
Image below (2025-10-29.951) was taken 292.4 days after discovery of 2025lc
Position of earlier transient (faint but distinct, brightened) is shown by white cross-hairs
Estimated Magnitude +13.39 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-10-29 22:52 UT (#1371022-26)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2025lc - Earlier Image, 2025-03-15 (T+63.5d)
Image below (2025-03-15.080) was taken 63.5 days after discovery of 2025lc
Position of earlier transient (faint, but distinct) is shown by white cross-hairs
Measured Magnitude +13.69 (Clear Filter)
Appears to be either still be in outburst (from Jan 10th)
or has started a new outburst.

Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter
2025-03-15 01:58 UT (#1301164-68)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2025lc on Transients 2025 Page >>

AT 2025vel - Transient

AT 2025vel (Auriga)
AT 2025vel (Type: unk) discovered 2025-08-23.402 UT by GEOTS
using 0.36-m f/2 astrograph Telescope
Alias: GEOTS-Balaji-2025-08
Discovery Magnitude 16.8 (Clear Filter)
vs Prior Non-Detection Limiting Magnitude (18.0)
CV Candidate
( TNS 2025vel )

AT 2025vel - 2025-10-30 (T+67.6d)
Image below (2025-10-30.036) was taken 67.6 days after discovery of AT 2025vel
Position of reported transient (very faint) is shown by white cross-hairs
Measured Magnitude +16.98 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 00:57 UT (#1371086-88)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2025vel on Transients 2025 Page >>

AT 2025abfn - Transient

AT 2025abfn (Orion)
AT 2025abfn (Type: unk) discovered 2025-10-22.360 UT by ZTF
Alias: ZTF25abzcwci
Discovery Magnitude 16.44 (g-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 20.29
( TNS 2025abfn )

AT 2025abfn - 2025-10-30 (T+7.7d)
Image below (2025-10-30.109) was taken 7.7 days after discovery of 2025abfn
Position of reported transient (very faint) is shown by white cross-hairs
Estimated Magnitude +17.8 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 02:42 UT (#1371117-19)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2025abfn on Transients 2025 Page >>

M31 - Spiral Galaxy with EGN Type Transient AT 2025wwe (non-detection)

M31 with AT 2025wwe (Andromeda)
AT 2025wwe (Type: EGN) discovered 2025-09-04.455 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25aborgma, PNV J00431125+4146081
Discovery Magnitude 17.86 (g-ZTF Filter)
Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot
( TNS 2025wwe )

Nova M31 AT 2025wwe - 2025-10-29 (T+55.5d)
Image below (2025-10-29.999) was taken 55.5 days after discovery of 2025wwe
Position of reported transient (not visible / barely visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.8 (Clear Filter)
vs Prior Measured Magnitude +18.64 (Clear Filter, 2025-09-25. T+20.7d)
(Single frame)

Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-10-29 23:58 UT (#1371048)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova M31 AT 2025wwe - Earlier Image, 2025-09-08 (T+4.5d)
Image below (2025-09-08.992) was taken 4.5 days after discovery of 2025wwe
Position of reported transient (faint) is shown by white cross-hairs
Measured Magnitude +17.20 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-09-08 23:59 UT (#1359094-98)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2025wwe (in M31) on Transients 2025 Page >>

MCG -3-12-11 - Spiral Galaxy with Type Ia Supernova 2022ucj (non-detection)

MCG -3-12-11 with SN 2022ucj (Eridanus)
SN 2022ucj (Type: Ia) discovered 2022-09-14.114 UT by ATLAS
Alias: ATLAS22bemy, ZTF22abgawhn
Discovery Magnitude 18.19 (orange-ATLAS Filter)
vs Prior Non-Detection Limitig Magnitude
( TNS 2022ucj )

MCG -3-12-11- Spiral Galaxy
Alias: PGC 15349 (catalog mag +14.7)

MCG -3-12-11 with SN 2022ucj - 2025-10-30 (T+1142.0d)
Image below (2025-10-30.076) was taken 1142.0 days after discovery of 2022ucj
Position of earlier SN (faded & no longer visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +18.0 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 01:59 UT (#1371106-10)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022ucj (in MCG -3-12-11) on Supernovae 2022 Page >>

NGC 3106 - Spiral Galaxy with Type Ia Supernova 2025aauj

NGC 3106 with SN 2025aauj (Leo Minor)
SN 2025aauj (Type: Ia) discovered 2025-10-18.473 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25abxjtsp
Discovery Magnitude 17.68 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 19.83
( TNS 2025aauj )

NGC 3106 - Spiral Galaxy with SN 2025aauj (T+11.7d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 04:14 UT (#1371148-52)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3106 with SN 2025aauj - 2025-10-30 (T+11.7d)
Image below (2025-10-30.170) was taken 11.7 days after discovery of 2025aauj
Position of reported SN (faint but distinct) is shown by white cross-hairs
Measured Magnitude +15.92 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 04:14 UT (#1371148-52)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2025aauj (in NGC 3106) on Supernovae 2025 Page >>

NGC 7331 - Spiral Galaxy with Type Ia Supernova 2025rbs

NGC 7331 with SN 2025rbs (Pegasus)
SN 2025rbs (Type: Ia) discovered 2025-07-14.141 UT by GOTO
using GOTO-North Telescope
Alias: GOTO25evh, ATLAS25hsl, PS25feg, ZTF25abbgajq
Discovery Magnitude 17.07 (L-Goto Filter)
vs Prior Non-Detection Limiting Magnitude 20.1
( TNS 2025rbs )

NGC 7331 - Spiral Galaxy
Image below (2025-10-29.967) was taken 107.8 days after discovery of 2025rbs
Position of reported supernova (faint & fading) is shown by white cross-hairs
Estimated Magnitude +14.8 (Clear Filter)

Annotated CCD Image (80% size, log scale, cropped, rotated)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-29 23:22 UT (#1371039-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7331 with SN 2025rbs - 2025-10-29 (T+107.8d)
Image below (2025-10-29.967) was taken 107.8 days after discovery of 2025rbs
Position of reported supernova (faint & fading) is shown by white cross-hairs
Estimated Magnitude +14.8 (Clear Filter)

Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-29 23:22 UT (#1371039-43)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7331 with SN 2025rbs - Earlier Image, 2025-08-03 (T+19.9d)
Image below (2025-08-03.016) was taken 19.9 days after discovery of 2025rbs
Position of reported supernova (distinct) is shown by white cross-hairs
Measured Magnitude +12.08 (Clear Filter)

Annotated CCD Image (125% size, log scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-08-03 00:30 UT (#1345057-60)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2025rbs (in NGC 7331) on Supernova 2025 Page >>

SN 2025aarn - Type II Supernova

SN 2025aarn (Eridanus)
SN 2025aarn (Type: II) discovered 2025-10-17.743 UT by GOTO
Alias: GOTO25iqc, ATLAS25mzq, ZTF25abxjgzg
Discovery Magnitude 16.98 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.9
( TNS 2025aarn )

SN 2025aarn - 2025-10-30 (T+12.4d)
Image below (2025-10-30.102) was taken 12.4 days after discovery of 2025aarnj
Position of reported SN (faint) is shown by white cross-hairs
Measured Magnitude +16.36 (Clear Filter)
Poor quality image (single frame)

Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-10-30 02:27 UT (#1371113)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2025aarn on Supernovae 2025 Page >>

UGC 3458 - Spiral Galaxy with Type II Supernova 2025yao

UGC 3458 with SN 2025yao (Camelopardalis)
SN 2025yao (Type: II) discovered 2025-09-20.446 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25absindv
Discovery Magnitude 18.37 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 20.32
( TNS 2025yao )

UGC 3458 with SN 2025yao - 2025-10-30 (T+39.6d)
Image below (2025-10-30.056) was taken 39.6 days after discovery of 2025yao
Position of reported supernova (faint & fading) is shown by white cross-hairs
Measured Magnitude +16.44 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 01:27 UT (#1371093-96)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3458 with SN 2025yao - Earlier Image, 2025-10-21 (T+30.7d)
Image below (2025-10-21.172) was taken 30.7 days after discovery of 2025yao
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +16.39 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-21 04:10 UT (#1369047-48)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2025yao (in UGC 3458) on Supernova 2025 Page >>

UGC 5695 - Spiral Galaxy with Type II Supernova 2025cfc

UGC 5695 with SN 2025cfc (Leo)
SN 2025cfc (Type: II) discovered 2025-02-20.905 UT by GOTO
Using GOTO-North Telescope
Alias: GOTO25anu
Discovery Magnitude 17.75 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.3
( TNS 2025cfc )

UGC 5695 with SN 2025cfc - 2025-10-30 (T+251.3d)
Image below (2025-10-30.185) was taken 251.3 days after discovery of 2025cfc
Position of reported supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +17.9 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-10-30 04:35 UT (#1371157-61)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5695 with SN 2025cfc - Earlier Image, 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)

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 >>

This Web Page:	Images - Session 1371 (2025-10-29)
Last Updated :	2025-12-02
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy Pages Images - Session 1371 (2025-10-29)

Observing Result