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This might raise the question of how an amateur astronomer could spot something like a supernova event before professional astronomers who have access to telescopes such as Hubble. The detection of supernovae is a mixture of skill, facilities, and luck. Most astronomical events happen over time spans that dwarf human lifetimes, but supernova explosions are extraordinarily fast, appearing very suddenly and then brightening and dimming over a period of days or weeks. Another aspect is time – data from a few hours of observations with telescopes like Hubble might take weeks, months, or sometimes even years to process and analyze. Amateur astronomers can spend much more time actively observing the skies, and sometimes have extremely impressive systems of telescopes, computers, and software they can use.
