What is the longest time a sunspot has lasted?
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Solarscout
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What is the longest time a sunspot has lasted?
What is the longest time that a sunspot has ever lasted in recorded history? Has it ever gotten smaller, about to disappear and then grown in size again for more rotations around the Sun? Or do sunspots typically only become small to large to small and fade away?
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DeepSolar64
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Re: What is the longest time a sunspot has lasted?
Lunt 8x32 SUNoculars
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Celestron NexStar 102GT with Altair solar wedge
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Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
" Way more fun to see it! "
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer " Way more fun to see it! "