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

Supernova SN2011by discovered

Dominic Ford, Editor
From the Novae & Supernovae feed

Objects: NGC3972
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The sky at

A new supernova has been reported in the galaxy NGC 3972. It has received the designation SN2011by.

The supernova is reported to be a Type Ia event.

The coordinates of the supernova are right ascension 11h55m40s; declination 55°19'N.

The sky on 4 Jul 2025

The sky on 4 July 2025
Sunrise
05:43
Sunset
20:06
Twilight ends
21:50
Twilight begins
03:59

9-day old moon
Waxing Gibbous

69%

9 days old

Planets
Rise Culm. Set
Mercury 07:49 14:43 21:37
Venus 03:00 09:53 16:45
Moon 14:59 20:17 01:28
Mars 10:18 16:45 23:12
Jupiter 05:12 12:23 19:33
Saturn 00:11 06:10 12:08
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, 2019MNRAS.490.3882S, 2020MNRAS.492.4325S, 2015ApJS..220....9F, 2016PASP..128...961.

Image credit

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

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme