International Meteor Organization

International Meteor Organization

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The International Meteor Organization (IMO) was founded in 1988 and has more than 250 members now. IMO was created in response to an ever growing need for international cooperation of meteor amateur work.

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🛑 ASTEROID ATMOSPHERIC ENTRY ALERT 🛑 A freshly discovered (08h45min UT, Sept. 6) small (~0,8 m diameter) asteroid (CERNQ52) is in a trajectory that will direct it into the Earth atmosphere, over Indian ocean today (Sept. 6) around 16h 35min UT. Stay tuned for more updates!

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Bob Lunsford's Weekly Meteor Activity Outlook for August 29-September 4, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 29 August – 4 September 2026 | IMOSeptember offers longer nights in the Northern Hemisphere that tend to be less hazy than those experienced in mid-summer. In the sky, no major showers are visible from either hemisphere, but the North...
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Bob Lunsford's Weekly Meteor Activity Outlook for August 22-28, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 22-28 August 2026 | IMODuring this period the moon will reach its full phase on Friday August 28th. At that time the moon will be located opposite the sun and will remain above the horizon all night long...
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The European Commission and ESA’s Planetary Defence Office together are organising the “EU-ESA Workshop on Meteor Observations for Planetary Defence” on 3-5 November 2026 in Petralia Sottana, Sicily, Italy. www.imo.net/eu-esa-works...

imo.netEU-ESA Workshop on Nov. 3-5, 2026 in Petralia Sottana, Italy | IMOThe European Commission and ESA’s Planetary Defence Office are jointly organising the “EU-ESA Workshop on Meteor Observations for Planetary Defence”, which will take place on 3-5 November 2026 in Petr...
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Bob Lunsford's Weekly Meteor Activity Outlook for August 15-21, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 15-21 August 2026 | IMODuring this period the moon will reach its first quarter phase on August 20th. At that time the moon will be located 90 degrees east of the sun and will set near 22:30 LST. This weekend the waxing cre...
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✨ Everybody is preparing for the Aug. 12 total solar eclipse, but don't forget there will be the Perseid ☄️☄️ peak the same day under... perfect conditions, as the New Moon 🌑 will hide the Sun 🌞 a few hours before! ✨ Enjoy the second show of this great astronomical day 💫! www.imo.net/viewing-the-...

imo.netViewing the Perseid Meteor Shower in 2026 | IMOJan Wisniewski created this compilation of Perseid meteors captured in a series of 15s exposures using 4.5 mm fisheye lens on Canon T3i on August 5/6, 7/8, 8/9, 9/10, 11/12 and 13/14 2021, from Wingat...
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Bob Lunsford's Weekly Meteor Activity Outlook for August 1-7, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 1-7 August 2026 | IMOMark Kirschner captured this bright fireball through cloudy skies on December 13, 2025, at 02:27 EST (10:27 UT) from North Branford, Connecticut, USA. © Mark Kirschner Meteor activity kicks into high ...
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Bob Lunsford's Weekly Meteor Activity Outlook for July 25-31, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 25-31 July 2026 | IMODuring this period the moon will reach its full phase on Wednesday July 29th. At that time the moon will be located opposite the sun in the sky and will lie above the horizon most of the night...
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Bob Lunsford's Weekly Meteor Activity Outlook for July 18-24, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 18-24 July 2026 | IMODuring this period the moon will reach its first quarter phase on Tuesday July 21st. At that time the half-illuminated moon will be located 90 degrees east of the sun and will set near midnight local ...
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Bob Lunsford's Weekly Meteor Activity Outlook for July 11-17, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 11-17 July 2026 | IMODuring this period the moon will reach its new phase on Tuesday July 14th. At that time the moon will be located near the sun and will be invisible at night. As the week progresses the moon will enter...
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Bob Lunsford's Weekly Meteor Activity Outlook for July 4-10, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 4-10 July 2026 | IMODuring this period the moon will reach its last quarter phase on Tuesday July 7th. At that time the moon will be located 90 degrees west of the sun in the sky rise near midnight local summer time (LST...
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Bob Lunsford's Weekly Meteor Activity Outlook for June 27-July 3, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 27 June – 3 July 2026 | IMOMeteor season finally gets going in July for the Northern Hemisphere. The first half of the month will be much like June with predominantly slow rates. After the 15th though, both sporadic and shower ...
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🛑 Fireball Alert - Brunei 🇧🇳 & Malaysia 🇲🇾 🛑 A very bright fireball ☄️ was observed and video recorded over Brunei and Malaysia, on June 14th, around 12h 30min UT (08:30 pm, BNT). If you observed and/or recorded it, please share: fireballs.imo.net fireballs.imo.net/members/imo_...

fireballs.imo.netInternational Meteor OrganizationWe received 3 reports about a fireball seen over Belait District, Daerah Brunei-Muara and Sabah on Sunday, June 14th 2026 around 12:11 UT.
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Bob Lunsford's Weekly Meteor Activity Outlook for June 13-19, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 13-19 June 2026 | IMODuring this period the moon will reach its new phase on Monday June 15th. At that time the moon will be located near the sun and will be invisible at night. As the week progresses, the moon will enter...
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Bob Lunsford's Weekly Meteor Activity Outlook for June 6-12, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 6-12 June 2026 | IMOAs seen from the Northern Hemisphere, June is another slow month for meteor activity. There are no major showers active in June and only the Anthelion source can be counted on for continuous activity....
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🛑 Fireball Alert - USA 🇺🇸 🛑 A very bright daylight fireball ☄️ accompanied by a huge sonic boom was observed, heard and video recorded over Boston region, Massachussets, on May 30th, at 18h 06min UT (02:06pm, EDT). If you observed and/or recorded it, please share your observation: fireballs.imo.net

fireballs.imo.netInternational Meteor OrganizationWe received 71 reports about a fireball seen over DE, MA, MD, ME, NH, NJ, NY, Ontario, Québec, RI and VT on Saturday, May 30th 2026 around 18:07 UT.
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Bob Lunsford's Weekly Meteor Activity Outlook for May 23-29, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 23-29 May 2026 | IMODuring this period the moon will reach its first quarter phase on Saturday May 23rd. At that time the half-illuminated moon will set just after midnight. As the week progresses, the moon will encroach...
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🛑 Fireball Alert - Australia 🇦🇺 🛑 A very bright fireball ☄️ was widely observed and video recorded over Sydney region, Australia, on May 21st, around 08h 34min UT (06:34pm, AEST). If you observed and/or recorded it, please share your observation with the international community: fireballs.imo.net@

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On May 15th, 2026, a meter-sized asteroid 🪨 was discovered before it entered the atmosphere between Australia and Micronesia. 2026 JN4 turns out to be the 12th asteroid to be discovered before becoming a meteor ☄️, even if the meteor itself has not yet been detected... www.imo.net/2026-jn4-12t...

imo.net2026 JN4: 12th asteroid discovered before atmospheric entry | IMOBad luck: when 2026 JN4 was discovered, on May 15th, 2026, the Sun was rising above the United States, making the follow up of the small asteroid hard to organize! A few hours later the same day, arou...
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🛑 ASTEROID ATMOSPHERIC ENTRY ALERT 🛑 IF CONFIRMED, a freshly discovered small (~1,1 m diameter) asteroid (ST26E86) is in a trajectory that will direct it into the Earth atmosphere, North of Papua New-Guinea (May 15) around 13h 42min UT. Stay tuned for more updates!

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Bob Lunsford's Weekly Meteor Activity Outlook for May 16-22, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 16-22 May 2026 | IMODuring this period the moon will reach its new phase on Saturday May 16th. At that time the moon will lie near the sun and will be invisible at night. As the week progresses, the moon will enter the e...
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🛑 Fireball Alert - Australia 🇦🇺 🛑 A very bright fireball ☄️ was observed and video recorded over Tasmania, Australia, on May 13th, around 13h 07min UT (23h 07min, AEST). If you observed and/or recorded it, please share your observation: fireballs.imo.net www.instagram.com/reel/DYOxOYX...

instagram.com7newsqueensland on Instagram: "Stargazers have been treated to a spectacular show over Tasmania. A meteor lighting up the sky on Sunday night, before vanishing, a…"Stargazers have been treated to a spectacular show over Tasmania. A meteor lighting up the sky on Sunday night, before vanishing, as quickly as it appeared. It was spotted right across the state. Experts say the meteor likely broke up around 30 kilometres in the air. #Meteor #Space #Australia #Stargazers #Stars
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Bob Lunsford's Weekly Meteor Activity Outlook for May 9-15, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 9-15 May 2026 | IMODuring this period the moon’s phase will reach its last quarter phase on Saturday May 9th. At that time the half-illuminated moon will rise near 03:00 and will remain in the sky the remainder of the n...
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Bob Lunsford's Weekly Meteor Activity Outlook for May 2-8, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 2-8 May 2026 | IMOMay is the best spring month (in the Northern Hemisphere) to view meteor activity. The eta Aquariids are very active the first two weeks of the month then fade as the month progresses. These meteors a...
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Bob Lunsford's Weekly Meteor Activity Outlook for April 25-May 1st, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 25 April – 1 May 2026 | IMODuring this period, the Moon will reach its full phase on Friday May 1st. At that time, the moon will lie opposite the Sun and will lie above the horizon all night long. This weekend, the waxing gibbo...
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Bob Lunsford's Weekly Meteor Activity Outlook for April 18-24, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 18-24 April 2026 | IMODuring this period, the Moon will reach its first quarter phase on Friday, April 24. At that time, the half-illuminated moon will lie 90 degrees east of the Sun and will set near 03:00 local summer ti...
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First quarter of 2026 seems to have been rich in fireballs ☄️ (it's fireball season)... but also in meteorites recoveries! Is it a statistical effect, or is there any further information to dig out? If you want to know more, please read Mike Hankey analysis on the topic: www.imo.net/has-somethin...

imo.netHas Something Changed in the Near-Earth Meteoroid Environment? | IMOYesterday I spent the day working with Claude AI (Opus 4.5) to dig into the AMS fireball database going back to 2011. The goal was to answer the question everyone’s been asking: is fireball activity a...
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Bob Lunsford's Weekly Meteor Activity Outlook for April 4-10, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 4-10 April 2026 | IMODuring this period, the moon will reach its last quarter phase on Friday, April 10th. At that time, the half-illuminated moon will lie 90 degrees west of the sun and will rise near 04:00. This weekend...
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Bob Lunsford's Weekly Meteor Activity Outlook for March 21-27, 2026, is online! If you want to check which meteor showers are active this week, do not hesitate to have a look: www.imo.net/meteor-activ...

imo.netMeteor Activity Outlook for 21-27 March 2026 | IMODuring this period, the moon will reach its first quarter phase on Wednesday March 25th. At that time, the half-illuminated moon will lie 90° east of the sun and will set near 03:00. This weekend the ...