Amateur Spots Possible New Impact Flash at Jupiter – Sky & Telescope


A attainable new impression at Jupiter seems on this picture taken by José Luis Pereira round 22:39 UT (18:39 EDT) on September 13th. Marc Delcroix processed the picture. North is up and the planet rotates from east to west (left to proper). José Luis Pereira

Did Jupiter simply get smacked once more? Amateur astronomer José Luis Pereira of Brazil simply found a possible new impression at the gasoline big on September 13th at round 22:39:30 UT (18:39:30 EDT). Weather circumstances have been poor at the time, however Pereira determined to look anyway for attainable flashes with DeTeCt software program. The free program, created by planetary observer Marc Delcroix, is a great tool to examine for transient occasions comparable to planetary impacts.

Watch because the flash rapidly seems and fades at the higher proper on this snippet of video. The video is looped for straightforward re-watching.José Luis Pereira

Despite poor circumstances Pereira suspected one thing on his first video and ran DeTeCt to test it out. The program alerted him that there was a excessive likelihood that what he noticed was certainly a collision. He instantly despatched a message to Delcroix for affirmation.

If confirmed, it could be the eighth recorded impression at Jupiter because the first in July 1994, when fragments of sundered Comet Shoemaker-Levy 9 slammed into the planet and left a path of outstanding darkish scars.

If you already know the present longitude of the central meridian (CM) and a cloud characteristic’s longitude, you’ll be able to plan your observing session to see it greatest when that longitude is inside about an hour of both aspect of the CM. Sky & Telescope

Jupiter rotates quickly, coming spherical in just below 10 hours. To discover a potential darkish spot within the impression’s wake, you may have to know its latitude and longitude. But as a result of the planet isn’t a inflexible physique, its rotation charge varies some by latitude. Equatorial areas spin quickest and polar areas slower. That’s why three programs are used to find out a characteristic’s longitude: System I for areas inside 10° of the equator (for the present flash), System II for all greater latitudes, and System III to match the rotation of the planet’s magnetosphere and Jupiter’s official rotation charge. Often, all three longitudes can be given for completeness.

“For me it was a moment of great emotion as I have been looking for a record of this event for many years,” stated Pereira. He used his 275-mm f/5.3 Newtonian reflector geared up with a QHY5III462C imaging digicam, Televue Powermate 5× (yielding f/26.5) and IR and UV minimize-off filters to make the invention from São Caetano do Sul in Brazil.José Luis Pereira

Pereira captured the flash at latitude –5.5° and longitude 105.7° (System I / L1), 83.3° (System II / L2), and 273.4° (System III / L3). To decide the present or a future Jovian longitude in both system, use the Arkansas Sky Observatory’s Jupiter Central Meridian web site and enter the specified UT time. Click right here to transform your native time to UT.

Amateurs are inspired to examine any movies or pictures taken inside 5 minutes of the impression time to substantiate the occasion. I additionally hope you’ll be watching the positioning for any impression scar that may seem within the coming nights. Happily, a darkish marking ought to stand out nicely in opposition to the pale Equatorial Zone.

This is a creating story. Check again for updates.

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