Supernova SN 2024ggi
and its progenitor
 in NGC 3621

To date, it is the brightest supernova of 2024.

The supernova was discovered by ATLAS on 11 April 2024.

More information and images here: https://rochesterastronomy.org/sn2024/sn2024ggi.html

All supernovae updates here: https://rochesterastronomy.org/snimages/index.html

TNS [Transient Name Server] entry for 2024ggi : https://www.wis-tns.org/object/2024ggi

Wikipedia page for NGC 3621: https://en.wikipedia.org/wiki/NGC_3621

The candidate progenitor of SN 2024ggi can be found in the Hubble Picture of the week posted on 14 October 2013.

Note:  In this image, north is 69.0° right of vertical.

The red star in the center [the candidate progenitor] has previously been cataloged by the VISTA Hemisphere Survey as VHS J111822.09-325015.2

It was also cataloged in the Hubble Source Catalog for NGC 3621 as
 MatchID 140066549 with coordinates RA 169.59202035259474 , DEC -32.83757282765759

Compare with the published coordinates of SN 2024ggi : RA 169.592030529 , DEC -32.8375756395

The difference is RA 0.00001017640526 , DEC 0.00000281184241 , which is about .038 seconds of arc.

Another view of the candidate progenitor dated 2003-02-03.  Note, in this view, North is up.

This screenshot comes from the Hubble Legacy Archive from this URL.

Another view of the candidate progenitor dated 1994-12-27.  Note: In this screenshot, North is up.

This screenshot comes from the Hubble Legacy Archive from this URL.  Note:  In the archive image, South is up.

More discussion of the progenitor of SN 2024ggi at the following 3 links:

https://www.wis-tns.org/astronotes/astronote/2024-100

https://www.wis-tns.org/astronotes/astronote/2024-105

 https://www.wis-tns.org/astronotes/astronote/2024-107

Further reading:  The direct identification of core-collapse supernova progenitors by Schuyler D. Van Dyk , 18 September 2017.