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Deepsky
Supernovae
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A ... B
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U ... V
Ursa Major
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Constellation
Max latest mag
Declination min
SN designation
SN
Host Galaxy
RA
Dec
Offset
Latest Mag
Latest Observed
Type
z
Max Mag
Max Mag Date
First Observed
AT2025yyh
LEDA 3134398
UMa
09:04:53
+54:03:24
0.0
19.9
2025-09-30
0.084829
19.9
2025-09-30
2025-09-30
AT2025yyi
LEDA 2473983
UMa
09:21:35
+54:35:02
0.0
20.2
2025-09-30
0.076457
20.2
2025-09-30
2025-09-30
2025yyn
UGC 5302
UMa
09:54:16
+68:19:56
0.0
18.3
2025-09-30
IIb
0.01463
18.3
2025-09-30
2025-09-30
AT2025zmc
UMa
08:34:03
+65:47:55
0.0
19.5
2025-09-20
19.5
2025-09-20
2025-09-20
AT2025zln
anonymous
UMa
10:07:03
+54:39:09
0.0
19.8
2025-10-02
19.8
2025-10-02
2025-10-02
AT2025znj
LEDA 2182838
UMa
10:09:11
+41:33:03
0.0
18.2
2025-10-03
0.068995
18.2
2025-10-03
2025-10-03
AT2025znh
LEDA 3135277
UMa
09:21:33
+56:03:58
0.0
20.0
2025-09-30
0.153703
20.0
2025-09-30
2025-09-30
AT2025zon
anonymous
UMa
09:07:21
+54:45:44
0.0
20.1
2025-09-30
20.1
2025-09-30
2025-09-30
2025yiu
KUG 1000+452
UMa
10:04:06
+45:02:09
0.0
17.5
2025-09-23
Ia
0.023453
17.5
2025-09-23
2025-09-23
AT2025zpr
LEDA 2252703
UMa
10:40:05
+44:49:07
0.0
18.5
2025-10-05
0.04892
18.5
2025-10-05
2025-10-05
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