user: ordep (get it?)
Vendor: Simulation Curriculum (makers of SkySafari and StarryNight)
Loc: Toronto
Posted 09 July 2020 - 03:12 PM
I contacted the Minor Planet Centre today and asked them to update the data for this comet. Should be correct now across all astro apps that use this data. It shows Mag +1.5 in SkySafari Plus for example (after updating). Pedro
Ah ha. Another reason for discrepancies for comet magnitudes when comparing one software tool to another.
The source is found to be wrong, someone reputable reports it, the data gets fixed, but it takes a while for the update to cascaded into the tools...
I share the thread, if you're interested.
This relates to my long post on comet magnitudes back on 23 Jul.
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