List of supernovae sorted by Location (Declination) for 2023

This list of objects for the year 2023. Coordinates are in J2000.0 format, the date is the Discover date is actually the "Earliest Observation" date. The the "Last Mag" is the last observed magnitude. * = 30 days old, ** = 60 days old or older. Max Mag is the maximum observed magnitude. Last obs is the date the object was last observed (current year assumed). Max Date is the date of maximum observation. For more information on any object, please click on the name of the object. This will bring you directly to the main entry for this object.
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