Almanac
Data and tools for supernova research.
Dataset
Supernova Catalog
59,000+ supernovae from the Transient Name Server and the Open Supernova Catalog, merged into a single searchable table. Filter by type, redshift, and reporting group. Download the full dataset as CSV. TNS entries updated daily.
Browse catalog →Webtool
Observation Planner
Proposal deadlines, elevation and visibility checks for radio (VLA, GMRT, MeerKAT, ASKAP) and X-ray facilities (Chandra, Swift, NuSTAR, XMM-Newton), and coordinate/time converters. Look up any supernova from the catalog by name to fill coordinates automatically.
Open planner →