Supernova SN2015I discovered

Dominic Ford, Editor
From the Novae & Supernovae feed


Objects: NGC2357

A new supernova has been reported in the galaxy NGC 2357. It has received the designation SN2015I.

The supernova is reported to be a Type Ia event.

The coordinates of the supernova are right ascension 07h17m40s; declination 23°20'N.

The sky on 9 Oct 2025

The sky on 9 October 2025
Sunrise
06:50
Sunset
18:25
Twilight ends
19:48
Twilight begins
05:26


Waning Gibbous

87%

18 days old

Planets
Rise Culm. Set
Mercury 08:19 13:43 19:07
Venus 05:07 11:20 17:32
Moon 19:25 02:33 09:51
Mars 08:53 14:13 19:33
Jupiter 00:13 07:18 14:22
Saturn 17:34 23:27 05:20
All times shown in PDT.

Source

The data presented here was taken from the Open Supernova Catalog.

The circumstances of this supernova were calculated using data from the following papers: , 2014Ap&SS.354...89B, 2015ATel.7476....1K, 2017arXiv171102474F, 2015CBET.4106....1N, 2016A&A...594A..13P.

Image credit

Library image; does not depict newly discovered supernova. © Tom Boles

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