David's Astronomy - Supernovae 2026

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 Supernovae - 2026

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This page documents observations and images of selected supernova with discovery dates in 2026.
 (Note: some images may roll over into the following year (2027) )
 
Supernovae (2026)   
     Name, type, discovery date, host galaxy
Bullet SN 2026gm - Type Ia Supernova (2026-01-08) in UGC 3028
Bullet SN 2026kc - Type Ia Supernova (2026-01-10) in UGC 5607
Bullet SN 2026bss - Type Ia Supernova (2026-01-29) in MCG +7-4-9
Bullet SN 2026cbh - Type II Supernova (2026-02-03) in UGC 117
Bullet SN 2026cff - Type II Supernova (2026-02-06) in NGC 3660
   
   

SN 2026gm - Type Ia Supernova (discovered 2026-01-08) in UGC 3028

UGC 3028 with SN 2026gm (Perseus)
SN 2026gm (Type: Ia) discovered 2026-01-08.798 UT by XOSS
Alias: PSP26B, GOTO26cp, ATLAS26aff
Discovery Magnitude 18.08 (Clear- Filter)
vs Prior Non-Detection Limiting Magnitude ( Filter)
SN candidate classified by XOSS.
Details can be found at http://xjltp.china-vo.org/psp26b.html
( TNS 2026gm )
 
UGC 3028 - Spiral Galaxy
Alias: PGC 15047 (catalog mag +15.7)
Image
Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-13 20:41 UT (#1393036-40)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 3028 with SN 2026gm - 2026-02-13 (T+36.1d)
Image below (2026-02-13.856) was taken 36.1 days after discovery of 2026gm
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +17.12 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-13 20:41 UT (#1393036-40)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 3028 with SN 2026gm - 2026-02-27 (T+50.0d)
Image below (2026-02-27.817) was taken 50.0 days after discovery of 2026gm
Position of earlier supernova (not visible) is shown by white cross-hairs
Non-Detection Limiting Magnitude +15.9 (Clear Filter)
Poor quality image (poor sky transparency, single frame)
Image
Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2026-02-27 19:36 UT (#1396016)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 3028 with SN 2026gm - 2026-02-28 (T+51.2d)
Image below (2026-02-28.964) was taken 51.2 days after discovery of 2026gm
Position of earlier supernova (very faint) is shown by white cross-hairs
Estimated Magnitude +18.4 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-28 23:17 UT (#1397041-45)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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SN 2026kc - Type Ia Supernova (discovered 2026-01-10) in UGC 5607

UGC 5607 with SN 2026kc (Sextans)
SN 2026kc (Type: Ia) discovered 2026-01-10.087 UT by ATLAS
Alias: ATLAS26aej, GOTO26dc, ZTF26aaaehuj
Discovery Magnitude 18.78 (L-GOTO Filter)
vs Prior Non-Detection Limiting Magnitude 19.5 (L-GOTO Filter)
( TNS 2026kc )
 
UGC 5607 with SN 2026kc - 2026-01-18 (T+8.1d)
Image below (2026-01-18.154) was taken 8.1 days after discovery of 2026kc
Image
Annotated CCD Image (50% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-01-18 03:45 UT (#1392013-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 5607 with SN 2026kc - 2026-01-18 (T+8.1d)
Image below (2026-01-18.154) was taken 8.1 days after discovery of 2026kc
Position of earlier supernova (distinct) is shown by white cross-hairs
Measured Magnitude +15.68 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-01-18 03:45 UT (#1392013-14)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 5607 with SN 2026kc - 2026-02-14 (T+34.9d)
Image below (2026-02-14.010) was taken 34.9 days after discovery of 2026kc
Position of earlier supernova (distinct, fading) is shown by white cross-hairs
Measured Magnitude +15.91 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-14 00:24 UT (#1393132-36)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 5607 with SN 2026kc - 2026-02-26 (T+47.9d)
Image below (2026-02-26.984) was taken 47.9 days after discovery of 2026kc
Position of earlier supernova (very faint) is shown by white cross-hairs
Poor quality image (poor sky transparency, single frame)
Image
Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2026-02-26 23:37 UT (#1395173)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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SN 2026bss - Type Ia Supernova (discovered 2026-01-29) in MCG +7-4-9

MCG +7-4-9 with SN 2026bss (Andromeda)
SN 2026bss (Type: Ia) discovered 2026-01-29.319 UT by ATLAS
Alias: ATLAS26bfu, ZTF26aaegaze, GOTO26ahd
Discovery Magnitude 18.232 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 19.08 (wide-ATLAS Filter)
( TNS 2026bss )
 
MCG +7-4-9 - Elliptical Galaxy
Alias: PGC 6269 (catalog mag +15.7)
Image
Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-03-02 20:02 UT (#1398007-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
MCG +7-4-9 with SN 2026bss - 2026-03-02 (T+32.5d)
Image below (2026-03-02.831) was taken 32.5 days after discovery of 2026bss
Position of earlier supernova (faint) is shown by white cross-hairs
Estimated Magnitude +17.8 (Clear Filter)
Image
Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-03-02 20:02 UT (#1398007-09)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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SN 2026cbh - Type II Supernova (discovered 2026-02-03) in UGC 117

UGC 117 with SN 2026cbh (Andromeda)
SN 2026cbh (Type: II) discovered 2026-02-03.231 UT by ATLAS
Alias: ATLAS26bie, ZTF26aaexdrj
Discovery Magnitude 17.429 (orange-ATLAS Filter)
vs Prior Non-Detection Limiting Magnitude 18.28 (orange-ATLAS Filter)
( TNS 2026cbh )
 
UGC 117 - Spiral Galaxy
Alias: PGC 869 (catalog mag 15.3)
Image
Annotated CCD Image (50% size, square root scale)
180s exposure (single frame), 3x3 binning, Clear Filter
2026-02-28 19:36 UT (#1397012)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 117 with SN 2026cbh - 2026-02-28 (T+25.6d)
Image below (2026-02-28.817) was taken 25.6 days after discovery of 2026cbh
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +16.28 (Clear Filter)
Poor quality image (single frame)
Image
Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2026-02-28 19:36 UT (#1397012)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
 

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SN 2026cff - Type II Supernova (discovered 2026-02-06) in NGC 3660

NGC 3660 with SN 2026cff (Crater)
SN 2026cff (Type: II) discovered 2026-02-06.337 UT by ZTF
Alias: ZTF26aaffpvx, ATLAS26bkl, GOTO26anl
Discovery Magnitude 17.00 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 18.98 (r-ZTF Filter)
Early SN candidate (r-rise > 0.51+-0.01 mag/day) classified using ALeRCE's stamp classifier
(Carrasco-Davis et al. 2021) and the public ZTF stream.
Discovery image and light curve in http://alerce.online/object/ZTF26aaffpvx
( TNS 2026cff )
 
NGC 3660 - Pre-SN, 2025-03-19
Image taken 324 days before discovery of SN2026cff
Image
Annotated CCD Image (125% size, square root scale cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-03-19 22:51 UT (#1304088-92)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3660 with SN 2026cff - 2026-02-13 (T+7.7d)
Image below (2026-02-13.997) was taken 7.7 days after discovery of 2026cff
Position of earlier supernova (faint but distnct) is shown by white cross-hairs
Measured Magnitude +15.40 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-14 00:02 UT (#1393125-28)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3660 with SN 2026cff - 2026-02-18 (T+11.7d)
Image below (2026-02-18.085) was taken 11.7 days after discovery of 2026cff
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +15.14 (Clear Filter)
 Poor quality image (due to poor sky transparency)
Image
Annotated CCD Image (125% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-18 02:07 UT (#1394178-80)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
NGC 3660 with SN 2026cff - 2026-02-26 (T+20.7d)
Image below (2026-02-26.997) was taken 20.7 days after discovery of 2026cff
Position of earlier supernova (faint) is shown by white cross-hairs
Measured Magnitude +15.26 (Clear Filter)
Image
Annotated CCD Image (125% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2026-02-26 23:58 UT (#1395179-80)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
  
 

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This Web Page: Supernovae - 2026
Last Updated : 2026-03-03
Site Owner : David Richards
Home Page : David's Astronomy Web Site