End of year meteors and meteor showers Feat. The Taurids

BTW, here's the (rather poorly established) live ZHR graph for the Orionids.

In their write-up of this shower, the IMO (Robert Lunsford) also mention its fairly broad peak, meaning several nights around October 21 will have numbers close to peak value. So for those with clear skies the coming night(s), it might still be worth heading out! (also with activity of other showers/sporadics in mind, leading to a cummulative 25 meteors/hour for the coming week).

--
Greg Van den Bleeken
www.pbase.com/gbleek
vimeo.com/vdbphotography
Take photographs *you* want to look at. Take photographs you want to *look* at. (Ed Leys)
 
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I did capture an Orionid last night complete with spear head and green tail! Interestingly enough, I was shooting at T2.8 to create a better set of images in which to post the few meteors I caught this week using T1.9. I'm still looking at last night's set of 990 images to see what all I captured, but at least that one has popped up. I'll post images later today.
 
BTW, I saw your thread and I’m wanting to get the new Sony a7iv too. It will probably be a few months though. I’m glad Sony has finally started using fully articulating screens. I’m getting too old and arthritic to twist my neck in knots in order to see the screen! You almost need to be a giraffe to use the flip screens.
That was no post of mine you refer to, but fully agreed on the usefulness of swivel screens for tripod use, especially at night with the camera pointing up.
Sorry about that, I think it was Wade who posted. Oh well, at my age the brain farts come fast and furious! :-D
 
Only one Orionids meteor captured last night at 04:13 CDT (10:13 UTC) Oct 22. Here are the images for it. I used the Sony a7 with Rokinon 20mm T1.9 lens set to 25 sec, T2.8, ISO 160.

BTW, this is a prime example of why you don't necessarily have to set the aperture wide open to capture a dimmer meteor, even in bright LP skies. And you darn sure don’t need to crank up the ISO either.

3840 x 2560 4K image downscaled from full image
3840 x 2560 4K image downscaled from full image

3840 x 2160 4K image crop from original
3840 x 2160 4K image crop from original

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Best Regards,
Jack
YouTube channel: https://www.youtube.com/channel/UCAfQN-Ygh9z7qqUXdZWM-1Q
Flickr Meteor Album: https://www.flickr.com/photos/jackswinden/albums/72157710069567721
Sony RX100M3, a6000, and a7
 
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Hi all, a quick heads up to those Stateside from the Brussels (Belgium) metropolitan area: the Orionids are very much rumbling on. I just spent an hour observing from my Bortle-too-much skies, on a night plagued by passing clouds, and spotted 5 orionids. All things considered, that equates pretty much to peak numbers.

On top of the orionids, I also spotted 4 'others' falling towards the general Orion area - three from more northerly origins (epsilon Geminids? shouldn't be that active...) and one from around the Pleiades (possible Taurid?).

All of them were faint, and none of them will have stood out from the murky-bright background in the photos I took, but it was nice to do some meteor hunting nonetheless.

Cheers,
Thanks for the update/report Greg.

There's a lot of variety in what is going on up there right now. Every time I look I see something different! Anything you can't easily identify is likely a sporadic (lot's of sporadic activity at the moment - I'm seeing at least as many sporadics, if not more, than Orionids in recent nights, but it isn't the strongest of showers so no real surprise).

No doubt there are at least 50 minor showers active with super low rates, but enough for you or I to catch a few in a night - but no one can keep up with all these radiants (apart from algorithms) so they just get classified as sporadics by most.

From near the Pleiades sounds like a good candidate to me for a Taurid. Can't immediately find last weeks charts, but here's this weeks .

Always worth checking the Meteor Activity of the Week on the IMO site for the charts with the radiants marked on them, as well as the commentary. They can also be found on Meteornews .
 
Only one Orionids meteor captured last night at 04:13 CDT (10:13 UTC) Oct 22. Here are the images for it. I used the Sony a7 with Rokinon 20mm T1.9 lens set to 25 sec, T2.8, ISO 160.

BTW, this is a prime example of why you don't necessarily have to set the aperture wide open to capture a dimmer meteor, even in bright LP skies. And you darn sure don’t need to crank up the ISO either.

3840 x 2560 4K image downscaled from full image
3840 x 2560 4K image downscaled from full image

3840 x 2160 4K image crop from original
3840 x 2160 4K image crop from original
Nice catch Jack. Interesting how little red there is towards the end of the path, as you'd usually expect. Perhaps partly due to subtracting LP?

I'm glad I didn't resist the temptation to set up the cameras last night (21/22 Oct). Turned out that there were some excellent clear spells, among a few bouts of sometimes quite thick cloud, so I was able to run the cameras from around local midnight for around 6 hrs in total, although I shut one down for about an hour during a very cloudy patch.

My overall impression was that the Orionids seemed more like they were at peak than the previous night (20/21 Oct). I observed 3 or 4 visually in total, but as is so often the case, it was not the major/peaking shower that was responsible for the most spectacular event.

It occurred at ~04:06:29 UT (05:06:29 local time/BST) in near perfect conditions, and I managed to capture it @ 32K ISO (about as high as I've been able to go when pointed down) with the 24/1.4 Sammy (my fears that going from 20mm to 24mm would seriously impact how many events the camera catches are pretty much gone), and really nice placement in the FOV IMO.

Both my wife and I visually observed the event as well, and I initially thought it may have been too high in the sky for the 24mm to catch, but it turns out it was not (by quite a margin!). Worst of all, when I found the event on UKMON and logged it, I managed to get the time wrong, and logged it with the wrong clip, so when I checked the footage I was convinced I'd missed it, but thankfully I double checked the time to make sure, and discovered my error!

My wife's recollection was that it was going the opposite direction - just goes to show how important it is to document events - memory/perception is really if ever accurate!



According to the UKMON analysis, it was another sporadic of asteroidal origin (with an orbit taking it through the main belt of asteroids between Jupiter and Mars), from the west, although not slow enough to have a very red wake like some I've seen, this was a bit more golden/yellow. It was also fairly close @ around 200 km away (in terms of ground track to the event), and finished up a bit closer than it started which always helps.

Summary for Event
-----------------
Updated: 2022-10-22 10:27:53

shower ID -1 spo (Sporadic)
Lg 31.20° Bg 5.92° Vg 24.74km/s
mass 2.12478g, abs. mag -3.8
best visual mag -3.5
Path Details
------------
start -2.86° 51.53° 100.63km
end -2.23° 51.60° 70.29km

Orbit Details
-------------
Semimajor axis 2.75A.U., eccentricity 0.81, inclination 5.08°, Period 4.56Y, LA Sun 208.43°, last Perihelion 2018-05-12

Here are a couple of the captures UKMON cameras caught from different locations:



16af5373ec3a4160b5f502b927b1b956.jpg



8a9048d6594340db8426cd08c97de7b3.jpg

It was nice to catch something bright with a camera as well as to actually see it (doesn't happen often either!), not least because the footage seems faithful enough compared to my memory of the event (my wife agrees too).

That said, in real life these events do seem bigger/brighter than they do when viewed on a monitor in my opinion - perhaps the answer is 8K or even 16K and a screen covering an entire wall, so the sky almost feels like it "envelopes" you.

Anyway, looking cloudy/rainy for the moment, but as always both cameras can be running in less than 10 minutes if needed..

--
Leo S.
 
Nice catch Jack. Interesting how little red there is towards the end of the path, as you'd usually expect. Perhaps partly due to subtracting LP?

I'm glad I didn't resist the temptation to set up the cameras last night (21/22 Oct). Turned out that there were some excellent clear spells, among a few bouts of sometimes quite thick cloud, so I was able to run the cameras from around local midnight for around 6 hrs in total, although I shut one down for about an hour during a very cloudy patch.

My overall impression was that the Orionids seemed more like they were at peak than the previous night (20/21 Oct). I observed 3 or 4 visually in total, but as is so often the case, it was not the major/peaking shower that was responsible for the most spectacular event.

It occurred at ~04:06:29 UT (05:06:29 local time/BST) in near perfect conditions, and I managed to capture it @ 32K ISO (about as high as I've been able to go when pointed down) with the 24/1.4 Sammy (my fears that going from 20mm to 24mm would seriously impact how many events the camera catches are pretty much gone), and really nice placement in the FOV IMO.

Both my wife and I visually observed the event as well, and I initially thought it may have been too high in the sky for the 24mm to catch, but it turns out it was not (by quite a margin!). Worst of all, when I found the event on UKMON and logged it, I managed to get the time wrong, and logged it with the wrong clip, so when I checked the footage I was convinced I'd missed it, but thankfully I double checked the time to make sure, and discovered my error!

My wife's recollection was that it was going the opposite direction - just goes to show how important it is to document events - memory/perception is really if ever accurate!

According to the UKMON analysis, it was another sporadic of asteroidal origin (with an orbit taking it through the main belt of asteroids between Jupiter and Mars), from the west, although not slow enough to have a very red wake like some I've seen, this was a bit more golden/yellow. It was also fairly close @ around 200 km away (in terms of ground track to the event), and finished up a bit closer than it started which always helps.
I do have to tone it down on orange and red due to that darn street light. You can see what it does to the trees. Both of those trees are still green, not brown and orange. I didn’t want to take out too much orange from the sky though.

They always say that eyewitness accounts are the least usable evidence in police, fire, and aircraft accident investigations. They will better trust eyewitness accounts from young children because they tend to be fairly accurate, but we adults seem to screw up our memories of events pretty quickly!
 
I think for us bright-sky'ers, the Orionids are not the best of the medium showers - because of their high velocity, they have to be 2-3 times brighter than 'slow fireballs' like those from the Taurids or Geminids to stand out against our bright backgrounds.
The high velocity of meteoroids like Orionids is a double-edged sword. While it means the meteor needs to be brighter than a slower meteor due to the image of the meteor passing over each pixel in the sensor more quickly and not allowing much time for photons to accumulate, it also means faster meteors (all other things being equal) have more energy, which translates to more light/brightness.

If you take meteoroid weight into account, the tradeoff is actually very good. For example, compare the analysis for two events my cameras caught recently, one a Taurid, and the other an Orionid:

https://archive.ukmeteornetwork.co....10/20221017/20221017_234523.441_UK/index.html

shower ID 8 ORI (Orionids)
Lg 99.61° Bg -11.06° Vg 68.87km/s
mass 1.60655g, abs. mag -6.0
best visual mag -3.0

https://archive.ukmeteornetwork.co....10/20221007/20221007_205214.660_UK/index.html

shower ID 17 NTA (Northern Taurids)
Lg 26.06° Bg 4.52° Vg 28.91km/s
mass 0.86156g, abs. mag -3.3
best visual mag -2.2

The Orionid is about 2x the mass, but many times brighter - each magnitude is 2.5x brighter than the last. Not sure how many times brighter in total (anyone? math is not my strong point!), but it more than makes up for the faster pace of movement across the sensor.

The biggest issue I think, is that faster meteors tend to be of cometary origin, and cometary material is usually very fragile. It's prone to disintegration over time, in the same way that it's parent body disintegrates as it orbits the Sun. So initially large meteoroids tend to become many smaller meteoroids over time.

But once again, this can be a double edged sword in terms of brightness because when a large fragile meteoroid does make it to Earth's atmosphere, if it catastrophically fragments, then it can produce a big bolide.

Catastrophic fragmentations are more likely to occur when the meteoroid's angle of entry is very high, and that is the case with shower members seen close to or in their radiant while the radiant is high in the sky. One of the main reasons I like to aim at least one camera towards the radiant.

Also, meteors seen near the radiant have low angular velocities compared with those that are not, due to perspective, although it does mean the trails they leave in an image will be quite short - meaning you'll likely want a longer focal length lens to compensate, but then the angular velocity of the meteor traveling across the sensor also increases when using longer FLs!

Then again, it only takes one stunner in the right spot to make it worth your while, and as Leo's work often shows, that can happen on any clear night.
If I had access to clear horizons all round, and could add another 2 or 3 more cameras, I'm sure I'd be catching small/borderline-fireballs multiple times a night on most clear nights at this time of year. It's frustrating because I monitor the UKMON Meteors live service, and some nights I can "see" the fireballs seemingly clustering just outside of the section of horizon I'm able to monitor. There was quite a cluster to the NW of me not long ago as you no doubt remember, including this one . More recently there have been quite a few just NE of me.
 
Just a quick note. It's late. It's been a long night!

The Orionids are indeed ongoing. It looks like there was an outburst, which may still be ongoing. I did see 5 in around as many minutes, at around 04 UT, and you can see there are many meteors caught by UKMON live cameras (some bright).

If you are over the other side of the pond and have not already got a camera going, you may want to try, although it is likely subsiding now, but you never know!

--
Leo S.
 
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Just a quick note. It's late. It's been a long night!

The Orionids are indeed ongoing. It looks like there was an outburst, which may still be ongoing. I did see 5 in around as many minutes, at around 04 UT, and you can see there are many meteors caught by UKMON live cameras (some bright).

If you are over the other side of the pond and have not already got a camera going, you may want to try, although it is likely subsiding now, but you never know!
Unfortunately it was stormy weather here last night, but the storms blew on out this morning and it looks like a few clear nights ahead. I want to try the Rokinon 20mm T1.9 on my a6000 (30mm eq.) to see how it does. So I'll probably try that tonight.
 
Just a quick note. It's late. It's been a long night!

The Orionids are indeed ongoing. It looks like there was an outburst, which may still be ongoing. I did see 5 in around as many minutes, at around 04 UT, and you can see there are many meteors caught by UKMON live cameras (some bright).

If you are over the other side of the pond and have not already got a camera going, you may want to try, although it is likely subsiding now, but you never know!
Unfortunately it was stormy weather here last night, but the storms blew on out this morning and it looks like a few clear nights ahead. I want to try the Rokinon 20mm T1.9 on my a6000 (30mm eq.) to see how it does. So I'll probably try that tonight.
It's not looking good here either now (25/26 Oct). The next few nights are looking fairly dire in fact, but the forecast is usually at least wrong 25% of the time (if not 50%), so I remain optimistic.

I've started going through last nights footage, and there were definitely many more Orionids than would be expected this late after peak. I still have lot's to go through, but from what I've seen, I suspect a ZHR of >100, if not more. Most were faint, but I suspect the cameras may have caught a few hundred Orionids between them.

One camera did catch a fireball, but I'm not sure it was an Orionid, and it was very low down in the sky/a long way off (over France according to UKMON ). I'll try and upload a clip tonight.
 
Fireball report submitted and footage uploaded:







Obviously not an Orionid!

I'm annoyed about the previous night (23/24 Oct). There was a large fireball early on in the night reported by many , and perfectly positioned for the cameras. Unfortunately it was raining here at the time, and the fireball was long gone by the time the rain had stopped and the cameras were running.
 
I am walking out the door as I type this. Yesterday at about 7:00 western a fireball flew over arizona. It was caught on film and the folks in the NW part of the state near Kingman heard the sonic boom. So, I'm packing up.
 
"I'm annoyed about the previous night (23/24 Oct). There was a large fireball..."

It annoys me that it (fireballs/long colorful streaks...) happens out of frame or as one is setting up.

Was going to settle for pseudo art rendering of streaking meteors...aka loose ballhead error...22/23



but on 23/24 got this one shot, for the night, going out of frame



at least out of the light pollution...if only a few degrees positioned higher, while would have been sad if lower...
 
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Note to all:

I've started Part 2 of this thread before this one reaches it's limit.
I am walking out the door as I type this. Yesterday at about 7:00 western a fireball flew over arizona. It was caught on film and the folks in the NW part of the state near Kingman heard the sonic boom. So, I'm packing up.
The rate of fireballs should start to pickup with the Taurids getting into gear now. I always check what NASA has been picking up towards the bottom of the page here , and the number of Taurids jumped last night.

Of course, they may all be occurring around you, but as you can probably see from my experience, they will do their best to hide from your camera (the larger ones anyway). It always seems that way to me anyway!

Good luck!

There is also a new piece about this year's Taurids by Robert Lundsford on the IMO site that is worth looking at.

--
Leo S.
 
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"I'm annoyed about the previous night (23/24 Oct). There was a large fireball..."

It annoys me that it (fireballs/long colorful streaks...) happens out of frame or as one is setting up.

Was going to settle for pseudo art rendering of streaking meteors...aka loose ballhead error...22/23



but on 23/24 got this one shot, for the night, going out of frame



at least out of the light pollution...if only a few degrees positioned higher, while would have been sad if lower...
Yes. Had it happen to me, many a time. I don't always post here about my own near misses, usually just the big ones.

A couple of weeks back, I'd stopped the camera recording for around 30 seconds as I adjusted positioning (if I don't stop recording, sometimes the HDMI lead comes loose and I've lost footage because of this), and just while I was moving the camera I could see a long and fairly bright meteor shoot down through the FOV on the camera's LCD!

Very frustrating, but it just makes me want to try harder/delay packing up as long as possible, despite feeling exhausted.

So good luck, and don't let the near misses get you down - it's just a matter of time!

--
Leo S.
 

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