Re: Betelgeuse is "fainting"
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I totally agree, my images are for demonstration purposes only and not a scientific collection of data. And thanks for sending that AAVSO link – the light curve is DRAMATIC!
From: DarkSkyNewMexico@groups.io <DarkSkyNewMexico@groups.io> On Behalf Of Dan Crowson
Sent: Wednesday, January 1, 2020 9:07 PM
Subject: Re: [DarkSkyNewMexico] Betelgeuse is "fainting"
I posted the below elsewhere. Images like yours are rough at best because humidity or seeing could yield the visible differences shown…
Go to https://www.aavso.org/ and enter alf Ori into the search box on the right and hit plot light curve. It might sound bad for lack of a better term but I would then uncheck the visual observations box on the chart. It looks like it has dimmed almost a magnitude since the start of November.
Here’s a side-by-side comparison: 2016 to last night. The old shot was shorter exposure so I equalized exposure in Photoshop. You can see that the field stars are identical in appearance.
A supernova would be the biggest event of our lifetimes. Stay tuned.