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All active supernova over mag 17.0
* - last observation is over one month old. |
A long time ago, in a galaxy far far away, a star exploded. This star exploded so violently that for a few weeks the star outshone its parent galaxy. This type of explosion is called a Supernova. The last one in our galaxy was 400 years ago, making us about 300 years overdue for the next one. Here you will find a list of the supernovae we can see right now, as well as information about where they are in the sky, images of that object and how bright the explosion was at the last time we measured it. The data on this page comes from TNS and ATEL circulars. These web pages have brought you the latest in supernovae data and images since April 1997. 27 years and counting. . For yesterday's updates, go to the updates page.
The page now detects if you have set Dark Mode on your browser, please tell me if the colors don't work for you. New User's manual. New version of the web page for cell phone users: https://www.RochesterAstronomy.org/snimages/sn.html. TNS has moved to a new URL: https://www.wis-tns.org/. To post your discoveries, go to the TNS getting started page. The Open supernova Catalog has died, links will be removed eventually. Latest Supernovae is now supported by Purdue University and maintains a new mirror hosted in the Department of Physics and Astronomy that is overseen by Dan Milisavljevic. Purdue mirror page: http://www.physics.purdue.edu/brightsupernovae/. New features: Modifed the sorted by name list to include removed objects and mark "non public" objects. All galactic objects (CV novae, etc) will be banished on a weekly basis to the boneyard. Thanks for all of the images, I have been posting them on flickr. Join the discussion! Facebook Supernova Enthusiasts Group. The Active supernovae page is a version of this page which is designed to be easier to read. I've done extensive work recently in the Archives. If anybody knows who some of the "unknown" discoverers are, please let me know. Does anybody know of a grant that I could apply to for supporting this page? I probably spend about 2 hours a night working on it. To turn off the icons, use this link.   With the demise of of Yahoo Groups, I am moving isn_chat to Google groups.   Please sign up if interested.  
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2025qe
(= ZTF25aacerkv),
TNS
discovered 2025/01/18.262 by
ATLAS
Found in IC 529 at R.A. = 09h18m28s.190, Decl. = +73°45'44".89 Located 19".1 west and 11".3 north of the center of IC 529 (Eliot Herman image) (J. D. image facebook) (Odd Trondal image) (Carlos Segarra image) (Andy Cason image) (Amar Sharma image facebook) (Klemens Waldhör image) (Giancarlo Cortini image) (Rafael Ferrando image facebook color) (Gianluca Masi image) (Marie Newnham image) Mag 16.2:2/1 (15.7:1/28), Type Ia-02cx (z=0.0075) (zhost=0.007532) (References: ZTF observations) |
2025oq
(= GOTO25io) (= ZTF25aaccmjq) (= ATLAS25als) (= BGEM J090438.41+182800.2),
TNS
discovered 2025/01/17.024 by
ATLAS
Found in NGC 2744 at R.A. = 09h04m38s.432, Decl. = +18°28'00".03 Located 10".6 west and 10".6 north of the center of NGC 2744 (Fabio Feijo image) (Marie Newnham image) (Brian Kendrick image) (Carlos Segarra image) (Oscar Canales Moreno image) (Klaus Wenzel image) (Klemens Waldhör image) (Achim Sucker image) (Rafael Ferrando image facebook color) (Jordi Camarasa image) (Gianluca Masi image) Mag 15.9:2/1 (14.7:1/26), Type Ic-BL (z=0.011330) (References: AstroNote 2025-46, AstroNote 2025-37, TNS, ZTF observations) |
AT2025pk
(= PSST-XL2025A),
TNS
discovered 2025/01/17.426 by
Yiming Mao
Found in NGC 615 at R.A. = 01h35m07s.600, Decl. = -07°19'19".10 Located 28".3 east and 65".9 north of the center of NGC 615 (Discovery image) Mag 17.0:1/17, Type unknown |
2025mb
(= ATLAS25akl),
TNS
discovered 2025/01/15.042 by
ATLAS
Found in NGC 150 at R.A. = 00h34m16s.885, Decl. = -27°48'05".26 Located 2".4 west and 16".7 north of the center of NGC 150 (Eliot Herman image) (Eliot Herman image) (Kym Thalassoudis image) (Marie Newnham image) Mag 14.4:1/31, Type Ia (z=0.005) (zhost=0.005294) (References: AstroNote 2025-23; SN 1990K) |
AT2024agob,
TNS
discovered 2024/05/21.000 by
Huei Sears
Found in NGC 4414 at R.A. = 12h26m26s.280, Decl. = +31°13'24".01 Located 11".1 west and 0".7 south of the center of NGC 4414 Mag 18.7:5/21, Type unknown (zhost=0.002388) (Note: Likely an LBV) (References: AstroNote 2025-12) |
2025gj
(= DLT25a) (= ZTF25aabmhly) (= ATLAS25aim) (= GOTO25gp),
TNS
discovered 2025/01/08.256 by
DLT40
Found in NGC 2986 at R.A. = 09h44m20s.255, Decl. = -21°16'22".62 Located 59".2 east and 18".5 north of the center of NGC 2986 (Eliot Herman image) Mag 13.7:1/25, Type Ia (z=0.0077) (zhost=0.007679) (References: ZTF observations; SN 1999gh) 2025gj images sub-page |
2025dr
(= ATLAS25agc) (= ZTF25aabnwba),
TNS
discovered 2025/01/06.267 by
ATLAS
Found in UGC 670 at R.A. = 01h06m46s.083, Decl. = +75°36'12".11 Located 15".7 west and 10".8 north of the center of UGC 670 (Giancarlo Cortini image) (Grup Supernoves l'Astronòmica de Sabadell image) (Wolfgang Kreiss image) (Marie Newnham image) (Wolfgang Kreiss image) (Manfred Mrotzek image) Mag 16.5:1/31 (16.1:1/20), Type Ia (zhost=0.015948) (References: ZTF observations) |
2025X
(= PSN J23305120-0256341) (= Gaia25aaf),
TNS
discovered 2024/12/31.008 by
Koichi Itagaki
Found in IC 1496 at R.A. = 23h30m51s.217, Decl. = -02°56'33".90 Located 34".5 west and 30".7 south of the center of IC 1496 (Discovery image) (Toshihide Noguchi image) (Odd Trondal image) (Marie Newnham image) Mag 16.5:1/14, Type IIn (zhost=0.017219) (Note: TNS entry merged with 2022mop, which was a type Ia) (References: CBAT TOCP, Gaia observations; SN 2022mop; 2005co) |
2024afyu
(= ZTF24abzxalv),
TNS
discovered 2024/12/29.573 by
Zwicky Transient Facility (ZTF)
Found in 2MFGC 13744 at R.A. = 17h13m43s.052, Decl. = +07°37'30".92 Located 8".5 east and 6".0 north of the center of 2MFGC 13744 (Klaus Wenzel image) Mag 14.7:1/31, Type II (z=0.012000) (References: ZTF observations) |