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BRAMON | Impact! BRAMON record lunar impact during the Eclipse of the Moon


Image was taken during a public event.

Impact! BRAMON record lunar impact during the Eclipse of the Moon

A BRAMON camera recorded a lunar impact during the January 21 eclipse of the Moon. The impact was recorded in João Pessoa, Brazil and also by several other cameras around the world.

To cover the eclipse in João Pessoa, the Association of Astronomy of Paraiba and the Cabo Branco Station (organ linked to the city hall), promoted a public event in the gardens of the Station. Marcelo Zurita, who is a member of the Association and also of BRAMON, prepared a telescope with two cameras, one to transmit the eclipse in real time to a screen and another to monitor lunar impacts at the moment of totality. The videos of the two cameras were being recorded, and in last Monday night when watching one of the videos, he perceived a flash occurred in first moments of the beginning of the totality.
Snapshot do momento do impacto

Impact video Snapshot

After reporting the flash to his colleagues at BRAMON, there were reports from other people around the world who had noticed the flash in a transmission from the timeanddate portal (https://imgur.com/VSpNGVi).

Already this Tuesday morning, we received the official confirmation: the MIDAS project, which has observatories in Spain dedicated to the observation of lunar impacts, registered the same flash at 04:41:38 UT.

This is the first time a lunar impact is recorded during a total eclipse around the world. Earlier, there was a record of a possible 2008 impact, which was unconfirmed because it was recorded by only one camera. But this last is certainly the most recorded impact in history. Several cameras broadcasting the live eclipse also recorded a phenomenon.

Possível impacto não-confirmado de 20 de fevereiro de 2008 registrado por George Varros

Unconfirmed possible impact at February 20, 2008 recorded by George Varros

In Brazil this will be only the second lunar Impact recorded in video in history. The first was in December 2017 during the Geminid meteor shower.

UPDATE 1: New Brazilian video of impact in Cascavel, PR
In a video published on Youtube on January 22, Edinei Oliveira from Cascavel, Brazil, informs that he has also recorded the impact during the eclipse. We checked the video and it looks legitimate, with the impact flash appearing exactly in the same position as it was recorded by BRAMON and by several cameras around the planet. Look the video below:

UPDATE 2: Another Brazilian video of the impact recorded in Campina Grande, PB
Diego Rhamon, a Meteorology student from Campina Grande, in Paraíba, released the third Brazilian video of this impact. Diego, who is also a member of BRAMON, has the habit of videotaping meteorological and astronomical phenomena. Then, we asked him to check if he had recorded something on the eclipse night, at 1:41 (local time) and when he checked, he had discovered that recorded the impact flash. Check out the video:

Record Data:

Observer #1: Marcelo Zurita (APA/BRAMON)
Setup: Modified Canon T3i + Rokinon 800mm F8 lens
Observation site: lat -7.148040 deg, lon -34.797798 deg, alt 28m (João Pessoa, PB, Brazil)

Observer #2: Edinei Oliveira
Setup: NIKON B700 – OPTIC ZOOM 60X
Observation site: lat -24.991191 deg, lon -53.469058 deg, alt 706m (Cascavel, PR, Brazil)

Observer #3: Diego Rhamon
Setup: Sony DCR-SX40
Observation site: lat -7.2204 deg, lon -35.9014 deg, alt 571m (Campina Grande, PB, Brazil)

Date/Time: 21/01/2019 04:41:38 UT
Approximated impact coordinates: lat -29.8 deg, lon -69.9 deg (+- 10Km)

Impact estimates:

Reference Star: SAO 80019
Visual Magnitude of Star:  7.87
Magnitude (B-V): 1.1
Estimated Magnitude R: 7.06
Estimated maximum impact flash magnitude: 6.0
Canonic luminous eficiency: η=2.5·10^-3
Maximum kinetic energy: 3.52×10^8 J
Conservative estimate of the meteoroid mass: 2.43Kg
Estimated diameter of the meteoroid: 25cm
Estimated maximum crater diameter: 4.82m
Canonical speed for sporadic meteoroids: 17km/s

All data displayed are estimates. they can be changed with the news more accurate images or refinements in the estimation of the magnitude of the flash.

Impact Estimates by Lauriston Trindade.

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