Denis Vida

@meteordoc

Meteor physics postdoctoral researcher . Software engineer turned astronomer. Building a global network of video meteor cameras

London, Ontario, Canada
globalmeteornetwork.org
Joined May 2020
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  1. Nov 8

    Lots of small fragments at the end though!

    4 retweets 9 likes
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  2. Nov 8

    Extremely bright (brighter than -15M) was observed last night at 00:05 UTC over southern . It ended at the height of 35 km and unfortunately it is improbable that it produced any .

    2 replies 7 retweets 31 likes
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  3. Retweeted
    Nov 3

    We now know exactly which crater the Martian meteorites came from -

    6 retweets 19 likes
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  4. Retweeted
    Nov 2

    Another very busy night on our with over 400 detected. These are the track-stacks for each camera

    4 replies 12 retweets 75 likes
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  5. Nov 2

    A great paper outlining why it's important to do sample return missions (e.g. Hayabusa, OSIRIS-REx). Another way that works just as well is observing meteorite-dropping fireballs and collecting the rocks they produce.

    Fragments of asteroids & will keep us busy for many years. But we're already planning for the next samples that will tell us about the origins of our solar system.
    3 likes
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  6. Nov 2

    Check out this new method for optimizing camera pointing for large video meteor networks

    Optimizing Camera Orientation for the New Mexico Meteor Array - Abstract: The Global Meteor Network consists of over 450 video cameras in 30 countries. Most of these cameras are part of various regional networks. A significant challenge is to optimal...
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  7. Oct 28

    On October 24, the observed an outburst of an unknown shower. The peak lasted only 30 minutes. The orbits show that the meteors are remenants of a sunskirting long-period , coming back from the Oort cloud.

    October zeta Perseid meteor shower (OZP#01131) - By Denis Vida, Damir Šegon, and Paul Roggemans Abstract: A new long-period meteor shower has been discovered by the Global Meteor Network. The shower experienced a sharp outburst at solar lon...
    1 reply 3 retweets 15 likes
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  8. Retweeted
    Oct 21

    Really interesting talk on the physics of the Winchcombe meteorite atmospheric entry here. 👇 Remarkable to hear say that if the speed & entry angle had been just *a bit* faster & steeper nothing would’ve made it to the ground & that amazing sample would’ve been lost.

    Expert analysis of the arrival of the - watch an excellent short presentation by
    2 retweets 4 likes
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  9. Retweeted
    Oct 21

    Expert analysis of the arrival of the - watch an excellent short presentation by

    5 retweets 15 likes
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  10. Retweeted
    Oct 20

    I'm giving a public lecture tonight on the newest , ! No single person can claim this story; hundreds (too many to tag!) have contributed to the observation, recovery, and science of this unique fall , it's such an exciting team to be part of!

    A title slide for a talk, with the following text: Winchcombe; the first UK meteorite in 30 years Café Scientifique Brighton 20th October 2021 (virtual) Dr Natasha Stephen (she/her) Katherine Joy, Jim Rowe, Ashley King, Luke Daly, UK Fall, SCAMP, FRIPON, NEMETODE, Global Meteor Network, AllSky7, Richard Greenwood, Romain Tartese, Lydia Hallis, Martin Suttle, Peter Grindrod, Aine O’Brien, Helena Bates, Sarah McMullan, Sara Motaghian, Sarah Boazman, Mira Ihasz, Zach Dickeson, Anne-Marie Pickersgill, Sara Russell, Cesca Willcocks and Jen Mitchell
    , , and 7 others
    2 replies 14 retweets 51 likes
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  11. Retweeted
    Oct 15

    How cool is getting stuff you're part of retweeted by ! :O

    0:33
    Meteorite detectives - by piecing together dashcams, they found it.
    1 retweet 23 likes
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  12. Retweeted
    Oct 12

    Searching for videos related to Golden, BC meteorite fall on Oct 3 which hit house and landed on a bed:

    3 replies 24 retweets 27 likes
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  13. Oct 12

    Direct images of asteroids from a ground-based telescope!

    ☄️ Using the 's VLT, astronomers have imaged 42 of the largest objects in the Main Belt! 😍 It is the first time that such a large group of asteroids have been imaged so sharply ⏩
    5 likes
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  14. Oct 10

    It's not the first time it happened - here is a fall that occured in in 2015:

    2 replies 5 likes
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  15. Oct 10

    What are the chances for a to fall in your bed?

    3 replies 6 retweets 17 likes
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  16. Oct 8

    The software was used by a team from to track the unique shower outburst caused by the 15P/Finlay. Check out the cool images they took:

    11 retweets 40 likes
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  17. Retweeted
    Oct 8

    Un magnifique Bolide a traversé le Nord-Est de la hier soir 07/10/2021 18:22:56 TU 20 secondes de trajectoire enregistré depuis la caméra BOAM de

    2 replies 24 retweets 68 likes
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  18. Retweeted
    Oct 7

    A lovely overview of technical and human concerns with megaconstellations — this one really gets to the heart of what the process has been like the last whirlwind eighteen months

    You’ve probably been a little distracted in the last two years – but in that same period, a new conversation with global stakes has opened up above our heads. New (and ).
    4 retweets 4 likes
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  19. Retweeted
    Oct 7

    Plot below shows the 34 orbits detected from S. Ontario for the Arid outburst 2/3

    1 reply 5 retweets 10 likes
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  20. Oct 5

    Over 120 sprites recorded last night by a camera in Hum, . Credit: Aleksandar Merlak

    2 replies 7 retweets 34 likes
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