David's Astronomy - Supernovae 2025

David's Astronomy Pages (Deep Sky)
Supernovae - 2025

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2024

Supernovae

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2025

This page documents observations and images of selected supernova with discovery dates in 2025.
(Note: some images may roll over into the following year (2026) )

Supernovae (2025)
Name, type, discovery date, host galaxy

SN 2025N - Type Ia Supernova (2025-01-02) in UGC 8239

SN 2025gj - Type Ia Supernova (2025-01-08) in NGC 2986

SN 2025gp - Type Ia Supernova (2025-01-08) in LEDA 2243580

SN 2025oq - Type Ic Supernova (2025-01-17) in NGC 2744

SN 2025cfc - Type II Supernova (2025-02-20) in UGC 5695

SN 2025coe - Type Ib-Ca-rich Supernova (2025-02-24) in NGC 3277

SN 2025dbx - Type Ia Supernova (2025-03-01) in UGC 3355

SN 2025efc - Type Ia Supernova (2025-03-12) in ESO 565-G19

SN 2025erh - Type Ia Supernova (2025-03-17) in LEDA 2155454

SN 2025fvw - Type Ia Supernova (2025-03-26) in NGC 5957

SN 2025gvs - Type II Supernova (2025-04-05) in UGC 10058

SN 2025N - Type Ia Supernova (discovered 2025-01-02) in UGC 8239

UGC 8239 with SN 2025N (Canes Venatici)
SN 2025N (Type: Ia) discovered 2025-01-02.588 UT by ATLAS
Alias: ATLAS25abs, ZTF25aaafbbk
Discovery Magnitude 18.69 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.5
( TNS 2025N )

UGC 8239 - Spiral Galaxy with SN 2025N (T+71.4d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-15 00:17 UT (#1301121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8239 with SN 2025N - 2025-03-15 (T+71.4d)
Image below (2025-03-15.006) was taken 71.4 days after discovery of 2025N
Position of reported supernova (very faint) is shown by white cross-hairs
Estimated Magnitude +18.8 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-15 00:17 UT (#1301121-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025gj - Type Ia Supernova (discovered 2025-01-08) in NGC 2986

NGC 2986 with SN 2025gj (Hydra)
SN 2025gj (Type: Ia) discovered 2025-01-08.256 UT by DLT40
Alias: DLT25a, ZTF25aabmhly, ATLAS25aim, GOTO25gp
Discovery Magnitude 17.91 (Clear Filter)
( TNS 2025gj )

NGC 2986 - Elliptical Galaxy with SN 2025gj (T+82.7d)
Other galaxy is same FOV is PGC 27873 (catalog mag +14.4)

Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 22:02 UT (#1307014-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2986 with SN 2025gj - 2025-03-31 (T+82.7d)
Image below (2025-03-31.912) was taken 82.7 days after discovery of 2025gj
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +16.97 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 22:02 UT (#1307014-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025gp - Type Ia Supernova (discovered 2025-01-08) in LEDA 2243580

LEDA 2243580 with AT 2025gp (Hercules)
AT 2025gp (Type: unk) discovered 2025-01-08.638 UT by ATLAS
using ATLAS Haleakala Telescope
Alias: ATLAS25ahx, ZTF25aabsnyf
Discovery Magnitude 18.25 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.76
( TNS 2025gp )

LEDA 2243580 - Galaxy
LEDA 2243580 / PGC 2243580 (catalog mag +16.0)

Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-19 02:42 UT (#1303143-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2243580 with SN 2025gp - 2025-03-19 (T+69.5d)
Image below (2025-03-19.108) was taken 69.5 days after discovery of 2025gp
Position of reported supernova (not separately distinguishable) is shown by white cross-hairs
Measured Magnitude, Nucleus + SN +15.55 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-19 02:42 UT (#1303143-46)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2243580 with SN 2025gp - 2025-04-09 (T+91.3d)
Image below (2025-04-09.984) was taken 91.3 days after discovery of 2025gp
Position of reported supernova (not separately distinguishable) is shown by white cross-hairs
Measured Magnitude, Nucleus + SN +15.50 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-09 23:46 UT (#1313067-71)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025oq - Type Ic Supernova (discovered 2025-01-17) in NGC 2744

NGC 2744 with SN 2025oq (Cancer)
SN 2025oq (Type: Ic) discovered 2025-01-17.024 UT by ATLAS
Alias: GOTO25io, ZTF25aaccmjq, ATLAS25als, BGEM J090438.41+182800.2
Discovery Magnitude 18.73 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 18.6
( TNS 2024xav )

NGC 2744 - Spiral Galaxy with SN 2025oq (T+57.0d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-14 23:37 UT (#1301101-05)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2744 with SN 2025oq - 2025-03-14 (T+57.0d)
Image below (2025-03-14.978) was taken 57.0 days after discovery of 2025oq
Position of reported supernova (faint) is shown by white cross-hairs
Estimated Magnitude +16.8 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-14 23:37 UT (#1301101-05)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2744 with SN 2025oq - 2025-04-03 (T+76.0d)
Image below (2025-04-03.005) was taken 76.0 days after discovery of 2025oq
Position of reported supernova (faint) is shown by white cross-hairs
Estimated Magnitude +17.2 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-03 00:15 UT (#1309089-93)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025cfc - Type II Supernova (discovered 2025-02-20) in UGC 5695

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 - Spiral Galaxy with SN 2025cfc (T+25.1d)

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)

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

UGC 5695 with SN 2025cfc - 2025-04-02 (T+40.1d)
Image below (2025-04-02.049) was taken 40.1 days after discovery of 2025cfc
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +16.15 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-02 01:20 UT (#1308112-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025coe - Type Ib-Ca-rich Supernova (discovered 2025-02-24) in NGC 3277

NGC 3277 with SN 2025coe (Leo Minor)
SN 2025coe (Type: Ib-Ca-rich) discovered 2025-02-24.634 UT by Koichi Itagaki
using 0.5-m F/6.9 Telescope
Alias: ATLAS25caa, ZTF25aahsvoc
Discovery Magnitude 17.4 (Clear Filter)
SN (z=0.00472) is suspected to be located in NGC 3277 (z=0.004720,
value from NED), but has a large offset.
( TNS 2025coe )

NGC 3277 with SN 2025coe (T+22.2d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-18 20:48 UT (#1303005-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3277 with SN 2025coe - 2025-03-18 (T+22.2d)
Image below (2025-03-18.861) was taken 22.2 days after discovery of 2025coe
Position of reported supernova (faint) is shown by white cross-hairs
Measured Magnitude +17.06 (Clear Filter)
Offset from NGC 3277 is particularly large and there is some doubt
as whether it is in NGC 3277 or not

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-18 20:48 UT (#1303005-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3277 with SN 2025coe - 2025-03-31 (T+35.3d)
Image below (2025-03-31.960) was taken 35.3 days after discovery of 2025coe
Position of reported supernova (not visible) is shown by white cross-hairs
Offset from NGC 3277 is particularly large and there is some doubt
as whether it is in NGC 3277 or not
Poor quality image (poor sky transparency)

Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-03-31 23:02 UT (#1307038)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025dbx - Type Ia Supernova (discovered 2025-03-01) in UGC 3355

UGC 3355 with SN 2025dbx (Auriga)
SN 2025dbx (Type: Ia) discovered 2025-03-01.298 UT by ATLAS
using ATLAS Haleakala Telescope
Alias: ATLAS25cgo
Discovery magnitude 18.78 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.35
( TNS 2025dbx)

UGC 3355 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-06 21:20 UT (#1311012-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3355 with SN 2025dbx - 2025-04-06 (T+36.6d)
Image below (2025-04-06.883) was taken 36.6 days after discovery of 2025dbx
Position of reported supernova (very faint ) is shown by white cross-hairs
Estimated Magnitude +18.5 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-06 21:20 UT (#1311012-16)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025efc - Type Ia Supernova (discovered 2025-03-12) in ESO 565-G19

ESO 565-G19 with SN 2025efc (Hydra)
SN 2025efc (Type: Ia) discovered 2025-03-12.153 UT by ATLAS
using ATLAS El Sauce Telescope
Alias: ATLAS25cqk, ZTF25aaiwalj
Discovery Magnitude 17.45 (orange-ATLAS Filter)
( TNS 2025efc )

ESO 565-G19 - Galaxy with SN 2025efc (T+19.8d)
ESO 565-G19 / PGC 27227 (catalog mag +13.7)
Other galaxy is same FOV is PGC 27222 (catalog mag +15.3)

Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 21:45 UT (#1307009-10)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

ESO 565-G19 with SN 2025efc - 2025-03-31 (T+19.8d)
Image below (2025-03-31.904) was taken 19.8 days after discovery of 2025efc
Position of reported supernova (faint) is shown by white cross-hairs
Estimated Magnitude +14.8 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 21:45 UT (#1307009-10)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025erh - Type Ia Supernova (discovered 2025-03-17) in LEDA 2155454

LEDA 2155454 with SN 2025erh (Lynx)
SN 2025erh (Type: Ia) discovered 2025-03-17.258 UT by ATLAS
using Palomar 1.2m Oschin Telescope
Alias: ATLAS25csl, GOTO25bbr, ZTF25aajcusp
Discovery Magnitude 18.07 (r-ZTF Filter)
( TNS 2025erh )

LEDA 2155454 - Galaxy with SN 2025erh (T+14.7d)
LEDA 2155454 / PGC 2155454 (catalog mag +15.9)

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 23:34 UT (#1307048-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2155454 with SN 2025erh - 2025-03-31 (T+14.7d)
Image below (2025-03-31.978) was taken 14.7 days after discovery of 2025erh
Position of reported supernova (faint but distinct) is shown by white cross-hairs
Estimated Magnitude +15.69 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 23:34 UT (#1307048-50)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2155454 with SN 2025erh - 2025-04-02 (T+16.6d)
Image below (2025-04-02.897) was taken 16.6 days after discovery of 2025erh
Position of reported supernova (faint but distinct) is shown by white cross-hairs
Estimated Magnitude +15.66 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-02 21:40 UT (#1309032-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

LEDA 2155454 with SN 2025erh - 2025-04-09 (T+23.7d)
Image below (2025-04-09.922) was taken 23.7 days after discovery of 2025erh
Position of reported supernova (faint, fading ?) is shown by white cross-hairs
Measured Magnitude +16.08 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-09 22:16 UT (#1313033-37)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025fvw - Type Ia Supernova (discovered 2025-03-26) in NGC 5957

NGC 5957 with SN 2025fvw (Serpens)
SN 2025fvw (Type: Ia) discovered 2025-03-26.799 UT by Koichi Itagaki
using XingLong Telescope
Alias: ZTF25aaktqzg, GOTO25bhh, PS25avu, ATLAS25dcd
Discovery Magnitude 17.4 (Clear Filter)
( TNS 2025fvw )

NGC 5957 - Spiral Galaxy with SN 2025fvw (T+2.2d)

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-29 01:03 UT (#1306079-83)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025fvw - Light Curve

NGC 5957 - Reference Image
Location of the reported supernova (2025fvw) is shown by a magneta cross (faint)
No object is evident at the location

Reference Image - DSS2 Color
Image prepared and captured from Aladin v12.0

NGC 5957 with SN 2025fvw - 2025-03-29 (T+2.2d)
Image below (2025-03-29.038) was taken 2.2 days after discovery of 2025fvw
Position of reported supernova (distinct) is shown by white cross-hairs
Measured Magnitude +15.71 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-29 01:03 UT (#1306079-83)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-03-31 (T+5.1d)
Image below (2025-03-31.926) was taken 5.1 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +14.71 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-31 22:23 UT (#1307021-25)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-01 (T+5.3d)
Image below (2025-04-01.065) was taken 5.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +14.68 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-01 01:42 UT (#1307089-93)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-01 (T+6.2d)
Image below (2025-04-01.960) was taken 6.2 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +14.39 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-01 23:11 UT (#1308053-57)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-03 (T+7.3d)
Image below (2025-04-03.085) was taken 7.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +14.18 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-03 02:07 UT (#1309128-30)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-04 (T+8.3d)
Image below (2025-04-04.135) was taken 8.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +14.03 (Clear Filter)
Image shows two satellites tracks crossing field of view during exposure

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-04 03:23 UT (#1310148-52)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-07 (T+11.3d)
Image below (2025-04-07.091) was taken 11.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +13.73 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-07 02:16 UT (#1311174-76)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-08 (T+12.2d)
Image below (2025-04-08.051) was taken 12.2 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening, peak) is shown by white cross-hairs
Measured Magnitude +13.70 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-08 01:21 UT (#1312143-47)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-08 (T+12.3d)
Image below (2025-04-08.094) was taken 12.3 days after discovery of 2025fvw
Position of reported supernova (distinct, fading ?) is shown by white cross-hairs
Measured Magnitude +13.75 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-08 02:22 UT (#1312166-69)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-10 am (T+14.3d)
Image below (2025-04-10.054) was taken 14.3 days after discovery of 2025fvw
Position of reported supernova (distinct, brightening to peak) is shown by white cross-hairs
Measured Magnitude +13.68 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-10 01:27 UT (#1313103-07)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-10 pm (T+15.2d)
Image below (2025-04-10.986) was taken 15.2 days after discovery of 2025fvw
Position of reported supernova (distinct, at peak brightness) is shown by white cross-hairs
Measured Magnitude +13.68 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-10 23:48 UT (#1314080-84)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5957 with SN 2025fvw - 2025-04-11 (T+16.2d)
Image below (2025-04-11.993) was taken 16.2 days after discovery of 2025fvw
Position of reported supernova (distinct, still near peak brightness) is shown by white cross-hairs
Measured Magnitude +13.74 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-11 23:57 UT (#1315083-86)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

SN 2025gvs - Type II Supernova (discovered 2025-04-05) in UGC 10058

UGC 10058 with SN 2025gvs (Corona Borealis)
SN 2025gvs (Type: II) discovered 2025-04-05.502 UT by ATLAS
Alias: ATLAS25dpm
Discovery magnitude 17.59 (cyan-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 17.7
( TNS 2025gvs)

UGC 10058 - Spiral Galaxy with SN 2025gvs (T+1.6d)

Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-07 02:36 UT (#1311179-83)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 10058 with SN 2025gvs - 2025-04-07 (T+1.6d)
Image below (2025-04-07.102) was taken 1.6 days after discovery of 2025gvs
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +16.59 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-07 02:36 UT (#1311179-83)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 10058 with SN 2025gvs - 2025-04-07 (T+2.4d)
Image below (2025-04-07.924) was taken 2.4 days after discovery of 2025gvs
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +16.38 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-07 22:20 UT (#1312043-47)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 10058 with SN 2025gvs - 2025-04-10 (T+4.6d)
Image below (2025-04-10.069) was taken 4.6 days after discovery of 2025gvs
Position of reported supernova (distinct, brightening) is shown by white cross-hairs
Measured Magnitude +15.86 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-04-10 01:47 UT (#1313110-13)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

This Web Page:	Supernovae - 2025
Last Updated :	2025-04-16
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy Pages (Deep Sky) Supernovae - 2025