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Deepsky
Supernovae
Choose Constellation
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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
AT2025pby
UMa
12:00:19
+40:16:59
0.0
19.4
2025-06-24
19.4
2025-06-24
2025-06-24
AT2025sey
And
23:34:01
+40:16:43
0.0
20.2
2025-07-20
20.2
2025-07-20
2025-07-20
AT2025roj
Boo
15:19:53
+40:14:43
0.0
18.8
2025-07-19
18.8
2025-07-19
2025-07-19
AT2025ovs
Boo
14:25:38
+40:11:52
0.0
20.7
2025-06-19
20.7
2025-06-19
2025-06-19
AT2025qcl
Lyr
18:22:38
+40:11:33
0.0
20.8
2025-06-27
20.8
2025-06-27
2025-06-27
AT2025osw
Lyr
18:42:23
+40:10:58
0.0
20.8
2025-06-21
20.8
2025-06-21
2025-06-21
AT2025rxs
anonymous
Her
16:30:30
+40:09:21
0.0
19.4
2025-07-22
0.07766
19.4
2025-07-22
2025-07-22
AT2025pdp
anonymous
Her
16:29:23
+40:07:10
0.0
20.6
2025-06-21
0.188891
20.6
2025-06-21
2025-06-21
AT2025ond
Her
16:43:16
+40:02:40
0.0
21.0
2025-06-21
21.0
2025-06-21
2025-06-21
AT2025ryg
And
00:46:29
+40:02:08
0.0
17.3
2025-07-23
17.3
2025-07-23
2025-07-23
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