Bright Supernovae - 2025

This data comes from TNS and ATEL circulars.   An archive of the 2025 updates to this page is available.

This is a partial list of the SN discovered in 2025. Since 2025 is still ongoing, please look at the main page for the latest data.   In previous years I tried to keep the yearly archive alphabetically sorted by TNS supernova name.   Since that is no longer applicable, I am sorting this archive by "first observed" date, which I have listed as the discovery date.   If you are looking for a specific object then you can use the format "<a href="index.html#2025xx">2025xx</a>" to find a specific object. Note that Extra galactic Novae have been moved to a special Extra galactic novae page.   Mistakes (Galactic variables, asteroids, unconfirmed, etc) are in the boneyard.   I also maintain an archive of the updates.

2025yrt (= ASASSN-25dw) (= GOTO24kgc), TNS discovered 2025/09/26.400 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in NGC 1781 at R.A. = 05h07m55s.238, Decl. = -18°11'23".68
Located 2".8 east and 0".3 south of the center of NGC 1781
Mag 16.1:9/26, Type II (z=0.017) (zhost=0.016645)

2025xeg (= ATLAS25ldn) (= GOTO25gzn), TNS discovered 2025/09/10.369 by ATLAS
Found in ESO 17-G9 at R.A. = 07h56m26s.814, Decl. = -78°41'57".78
Located 11".7 east and 3".1 north of the center of ESO 17-G9 (Marie Newnham image)
Mag 15.7:9/13, Type Ia (z=0.0157) (zhost=0.015704)

2025wwk (= PSP25N) (= ZTF25abopybc) (= PS25hlr) (= GOTO25gzu), TNS discovered 2025/09/03.786 by Mi Zhang
Found in NGC 83 at R.A. = 00h21m22s.155, Decl. = +22°26'00".99
Located 3".8 west and 0".0 south of the center of NGC 83 (Carlos Segarra image facebook) (Enrico Prosperi image) (Radu M. Anghel image) (Oliver Schneider image) (Rok Palcic image facebook color) (Carlos Segarra image facebook) (Enroco Prosperi image facebook) (Rok Palcic image facebook) (Manfred Mrotzek image) (Rok Palcic image facebook) (Gianluca Masi image)
Mag 17.4:10/12 (15.9:9/16), Type Ia (zhost=0.020514) (References: ZTF observations; SN 2016eoa)

2025tis (= ATLAS25jdr), AstroNote 2025-244, discovered 2025/08/07.330 by ATLAS
Found in IC 2007 at R.A. = 03h55m22s.779, Decl. = -28°09'32".68 (ATLAS finder chart)
Located 0".4 west and 2".9 south of the center of IC 2007 (Marie Newnham image) (Achim Sucker image) (Klemens Waldhör image)
Mag 14.6:8/16, Type II (z=0.005) (zhost=0.005047) (References: AstroNote 2025-247, TNS)

2025tam (= ATLAS25iym) (= GOTO25gev) (= MASTER OT J185534.29-534322.8), AstroNote 2025-241, discovered 2025/08/02.922 by ATLAS
Found in NGC 6708 at R.A. = 18h55m34s.321, Decl. = -53°43'22".76
Located 11".7 west and 1".6 north of the center of NGC 6708 (Kym Thalassoudis image) (Marie Newnham image) (Kym Thalassoudis image) (Fabio Feijo image) (Kevin Parker image facebook color) (Achim Sucker image)
Mag 16.4:10/7 (15.3:9/9), Type II (z=0.0086) (zhost=0.008603) (References: TNS; SN 2011ce, 2004do)

2025taj, TNS discovered 2025/08/02.878 by Giancarlo Cortini
Found in UGC 5700 at R.A. = 10h31m14s.810, Decl. = +72°07'46".71
Located 1".8 west and 11".7 north of the center of UGC 5700 (Giancarlo Cortini image Discovery)
Mag 18.0:8/2, Type II (zhost=0.022183)

2025scw (= ATLAS25igr) (= GOTO25fqb), AstroNote 2025-233 discovered 2025/07/24.301 by ATLAS
Found in NGC 424 at R.A. = 01h11m27s.178, Decl. = -38°04'53".18 (ATLAS finder chart)
Located 5".4 west and 7".3 north of the center of NGC 424 (Marie Newnham image)
Mag 17.0:8/4 (16.9:7/24), Type II (z=0.01) (zhost=0.011764) (References: TNS)

2025qgd (= ATLAS25gxg), TNS discovered 2025/06/29.984 by ATLAS
Found in NGC 3256 at R.A. = 10h27m51s.066, Decl. = -43°54'20".96
Located 0".4 east and 2".8 south of the center of NGC 3256 (HST finder chart)
Mag 16.9:7/24 (16.4:6/29), Type II (z=0.0094) (zhost=0.009354) (References: AstroNote 2025-215, AstroNote 2025-205; SN 2021afuq, 2018ec, 2001db)

2025pao, (= SNhunt473) (= GOTO25ein) (= ATLAS25gwy) (= ZTF25ababeev) TNS discovered 2025/06/26.454 by Catalina Real-Time Transient Survey and Mazzucato
Found in UGC 1206 at R.A. = 01h43m22s.007, Decl. = +11°54'00".34
Located 14".2 east and 9".6 south of the center of UGC 1206 (Discovery image) (Carlos Segarra image (facebook mirror)) (Marie Newnham image) (Manfred Mrotzek image) (Oliver Schneider image)
Mag 18.4:8/12 (16.5:7/6), Type Ia (z=0.028156) (zhost=0.028100) (References: ZTF observations)

2025oxy (= ATLAS25gnv) (= ZTF25aaxjntk) (= ZTF25aaxnchn), TNS discovered 2025/06/25.341 by ATLAS
Found in LEDA 1551611 at R.A. = 21h07m50s.557, Decl. = +18°09'07".78
Located 7".6 east and 1".9 south of the center of LEDA 1551611 (Nicolas Delaunoy image) (Marie Newnham image) (Odd Trondal image) (Stig Foss image) (Rafael Benavides image) (Manfred Mrotzek image)
Mag 19.2:9/16 (15.7:7/8), Type Ia (z=0.016330) (zhost=0.016340) (References: ZTF observations, Fink observations)

2025ovr (= ZTF25aaxocya), TNS discovered 2025/06/24.880 by Giancarlo Cortini
Found in UGC 4973 at R.A. = 09h22m40s.158, Decl. = +60°52'06".88
Located 14".8 east and 11".6 north of the center of UGC 4973 (Giancarlo Cortini image) (Carlos Segarra image (facebook mirror))
Mag 17.0:6/24, Type IIb (z=0.025886) (Note: was type Ia) (References: ZTF observations)

2025ngs (= ATLAS25gbi) (= ZTF25aauvber), AstroNote 2025-181 discovered 2025/06/12.399 by ATLAS
Found in NGC 5961 at R.A. = 15h35m16s.678, Decl. = +30°51'55".67
Located 4".9 east and 4".3 north of the center of NGC 5961 (Nicolas Delaunoy image)
Mag 18.2:9/5 (15.5:6/21), Type II (z=0.0063) (zhost=0.006098) (References: TNS, ZTF observations)
2025ngs images sub-page

2025mvn (= ATLAS25fwv) (= GOTO25dhi) (= ZTF25aaugeio), TNS discovered 2025/06/03.325 by ATLAS
Found in NGC 5033 at R.A. = 13h13m27s.881, Decl. = +36°35'11".71
Located 4".9 east and 26".4 south of the center of NGC 5033 (Giancarlo Cortini image)
Mag 20.1:8/30 (15.4:6/24), Type II (z=0.002912) (References: AstroNote 2025-173, AstroNote 2025-171, ZTF observations; SN 2001gd, 1985L, 1950C)
2025mvn images sub-page

2025mve (= ATLAS25fwt) (= ZTF25aauboyl), TNS discovered 2025/06/03.250 by ATLAS
Found in NGC 2749 at R.A. = 09h05m21s.386, Decl. = +18°18'29".98
Located 0".6 east and 17".5 south of the center of NGC 2749
Mag 15.8:6/8, Type Ia (zhost=0.013811) (References: ZTF observations, Fink observations)

2025mqc (= ATLAS25fue) (= GOTO25dgl) (= ZTF25aatdgae), TNS discovered 2025/05/31.294 by ATLAS
Found in NGC 4653 at R.A. = 12h43m52s.250, Decl. = -00°33'39".74
Located 19".8 east and 1".1 north of the center of NGC 4653 (Giancarlo Cortini image) (Giancarlo Cortini image)
Mag 18.6:6/19 (17.7:6/9), Type Ib (z=0.0087) (zhost=0.008742) (References: AstroNote 2025-166, AstroNote 2025-165, TNS, ZTF observations; SN 2009ik, 1999gk)

AT2025nbg, TNS discovered 2025/02/16.200 by Alex Battu at R.A. = 10h18m33s.200, Decl. = -46°25'17".00 Mag 20.0:2/16, Type unknown

2025kyg (= ATLAS25fee) (= ZTF25aaqhnsd) (= GOTO25dby), TNS discovered 2025/05/21.430 by ATLAS
Found in NGC 7753 at R.A. = 23h47m05s.987, Decl. = +29°29'17".79
Located 15".2 east and 17".0 north of the center of NGC 7753 (Giancarlo Cortini image)
Mag 18.8:8/18 (15.5:5/25), Type Ia (z=0.017197) (zhost=0.017182) (References: ZTF observations; SN 2015ae, 2013Q)
2025kyg images sub-page

2025krk (= ATLAS25fcn) (= PS25cuc) (= GOTO25ctw) (= ZTF25aaqoukg), TNS discovered 2025/05/18.024 by ATLAS
Found in CGCG 136-089 at R.A. = 15h49m32s.601, Decl. = +20°38'43".70
Located 0".5 east and 1".0 north of the center CGCG 136-089 (Markus Kempf image) (Stig Foss image)
Mag 18.5:8/17 (15.4:6/3), Type Ia (zhost=0.015974) (References: ZTF observations)

2025jyk (= ATLAS25ewz) (= GOTO25css), TNS discovered 2025/05/05.706 by Stu Parker
Found in ESO 238-G3 at R.A. = 22h20m52s.000, Decl. = -48°22'23".70
Located 1".7 east and 2".5 north of the center of ESO 238-G3 (Discovery image) (Markus Kempf image)
Mag 17.9:7/14 (15.5:5/17), Type Ia (z=0.02) (zhost=0.018783)

2025jtq (= ASASSN-25bs), TNS discovered 2025/05/04.420 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 00h57m31s.752, Decl. = -17°21'47".38
Located 1".8 west and 0".5 south of the center of host galaxy
Mag 15.9:5/4, Type II (z=0.03) (zhost=0.026190)