Estás usando un navegador desactualizado. Es posible que no muestre este u otros sitios web correctamente. Deberías actualizar o usar un navegador alternativo.
Is this too good to be true? - A comet brighter than Ikeya-Seki of 1965?
Most predictions suggest this comet would be as bright as magnitude -3.5. But TimeandDate suggests it would be way brighter than the moon.
It's close proximity to sun doesn't actually matter here if it's this bright.