Rare Astronomical Events Thread - Discussion on rare astronomical events whether it be Recurring Nova's, Comet Encounters, Eclipses, Occultations and so on.

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Alex Hogendorp

Pedophile Lolcow
kiwifarms.net
Joined
Apr 20, 2021
Anyone who is into stargazing may come across articles about T Coronae Borealis (a recurring nova) about to be shining as bright as a second magnitude star any moment now, the first time since the 1940's for anyone north of Antarctica.

Also in the Autumn, Comet C/2023 A3 (Tsuchinshan-ATLAS) will shine bright in the evening skies and can be seen visible to the naked eye.
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Also some Supernova Candidate Stars.
Betelgeuse (Alpha Orionis)
Antares (Alpha Scorpii)
Shaula (Lambda Scorpii)
etc.
 
A meteor struck Portugal in May of this year. It happened in the middle of the night and only lasted a couple of seconds so it was only caught by dashcams, security cameras, and some lucky people who filmed it by accident. It also happened just a few days after an aurora was sighted, which is extremely rare in a southern European country, two once-in-a-lifetime events back to back (and I missed both :heart-empty: ).



(Ignore the progress bar at the bottom, it seems news sites have a monopoly over the meteor video so I had to do some borrowing)
 
T CrB nova is imminent, and may last a few days.

I am unsure if Betelgeuse will go nova in our lifetimes. If it does, it will be visible in daylight, but nobody knows how close it is to hanging on or acking, it could go in a year or in 10.000 years.

Its pulsation has many cycles and soyentists are puzzled at which one is real, so they can't decide if it started to burn carbon yet.
 
I didn't get to see Neowise, so if the comet can be seen without binoculars during fall, I'm stoked.

A meteor struck Portugal in May of this year. It happened in the middle of the night and only lasted a couple of seconds so it was only caught by dashcams, security cameras, and some lucky people who filmed it by accident. It also happened just a few days after an aurora was sighted, which is extremely rare in a southern European country, two once-in-a-lifetime events back to back (and I missed both :heart-empty: ).

View attachment 6397049
View attachment 6397071
(Ignore the progress bar at the bottom, it seems news sites have a monopoly over the meteor video so I had to do some borrowing)
Absolutely beautiful blue. Do we know how big it was? I heard on the radio last week there's supposed to be a pretty big meteor that's expected to land near the Philippines soon if it hadn't already happened.
 
Absolutely beautiful blue. Do we know how big it was? I heard on the radio last week there's supposed to be a pretty big meteor that's expected to land near the Philippines soon if it hadn't already happened.
It was estimated to be around 20 to 30 centimeters in diameter (8 to 11 inches I think?), they even sent first responders to where it landed, but no fragments were found so it probably disintegrated. Here's the source (Wayback Machine), in Portuguese obviously.
Also, forgot to mention that some of the videos in that compilation were in Spain, it was also visible there.
 
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