That is already a very whittled down list, those that look like supernovae. The filtered tip of a very big iceberg of 800,000 alerts issued for the night of 24th Feb, set to grow by an order of magnitude once it gets up to full speed
https://www.universetoday.com/articles/get-ready-for-the-rubin-observatorys-deluge-of-discoveries
Supernovae beyond ~0.05-0.1 redshift are currently too faint for amateur spectrographs though and most of these in the list will even be beyond the professionals.
British Astronomical Association
Supporting amateur astronomers since 1890
