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Annama   contributed by Maria Gritsevich   MetBul Link


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The first (120.35 g, photos 1, 2, 3) and the second (47.54 g, photos 4, 5) recovered fragments of the Annama meteorite.   H5

TKW 167.9 grams. Observed fall 19 April 2014, Murmanskaya oblast', Russia.


Maria Gritsevich writes:
Dear Esko,

This magnificent discovery of the Annama would not be possible without You being so amazingly smart, persistent and enthusiastic:) Happy new orbit! Thanks so much for all your efforts! BTW, have just checked from the Meteoritical Bulletin Database - this is the only reported meteorite in the radius of 240 km.

Maria

The bright fireball appeared in the night sky over Kola Peninsula, close to Finnish border, on April 19, 2014 at 00h14m13.0±0.1s (according to Finnish time which equals to UTC +2h). The fireball was instrumentally recorded in Finland from Kuusamo, Mikkeli and Muhos observing sites belonging to the Finnish Fireball Network. Additionally, a publicly available video made by Alexandr Nesterov in Snezhnogorsk (Russia) from the opposite side of the fireball track, was carefully calibrated and taken into account in trajectory reconstruction. Based on the thorough analysis of the fireball it was concluded that part of the meteoroid survived the atmospheric entry and reached the ground. To further specify impact area for considered dedicated expedition dark flight simulations were done to build a strewn field map showing most probable distribution of fragments. The 5-day expedition with 4 participants from Russia and Finland took place at the end of May following snow melt and preceding vegetation growth. On May 29, 2014, first 120.35 g meteorite fragment was found on a local forest road within the predicted impact area. Second 47.54 g meteorite fragment fully covered with fusion crust was recovered nearby on the following day. Both pieces were preserved in very good condition with zero weathering grade.

Further reading:

First meteorite recovery based on observations by the Finnish Fireball Network

Orbit and dynamic origin of the recently recovered Annama’s H5 chondrite
Click to view larger photos

#1

#2

#3

#4

#5

Found at the arrow (green or red) on the map below

 


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Tracy Latimer
 11/7/2016 7:45:05 PM
Let's hear it for international cooperation -- for Science!
MexicoDoug
 11/7/2016 7:07:16 PM
Thanks for sharing so much contageous enthusiasm with the account!
Anne Black
 11/6/2016 7:08:06 PM
Looks surprisingly like Chelyabinsk, and still it is not the same classification!
Graham Macleod
 11/6/2016 1:12:09 AM
Well done Maria, this is a great meteorite with a cool history. Cheers.
John Hope
 11/6/2016 1:09:32 AM
Thank you so much Maria for these great pictures of such a rare Fall.
 

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