(meteorobs) Possible daylight fireball caught on camera overMiddlesex, UK 14/04/10

[Meteorites USA]

Sepia and B&W DOES increase contrast Jason, you're right... But ONLY 
when the exposure is perfect! The exposure on that video is NOT  
perfect... Too much glare, will underexpose (or rather cause the CCD to 
"darken" or stop down) the video recording thereby obscuring the smoke 
train against the background. Notice the highly reflective surface of 
the chimney? and the white clouds. This will cause the video to 
automatically underexpose the recording making it impossible to see the 
some train. The "darkened" background (sky) is too dark to contrast 
against a "gray" smoke train...

There fireball left a smoke train, you simply can't see it because of 
the way the video was recorded.

Regards,
Eric


On 4/14/2010 8:33 PM, Jason Utas wrote:
> How is it farther away when both of the Teton fireball shots were
> taken at relatively shallow angles and this Middlesex video was taken
> not far from vertical?  The camera angles suggest the exact opposite
> of what you're saying - this thing, whatever it was, was closer to the
> observing camera, and significantly so.
> And sepia/B&W photos provide greater contrast, FYI.  Hence the clouds
> stand out as they do.
> I'm not saying that it wasn't a bolide.  But if it was one, it was
> very slow moving, didn't fragment at all, remained unusually constant
> from a visual perspective, didn't leave a smoke train, and there
> happened to be a plane flying nearby to provide us with some nice
> jet-engine acoustics.
> Take that as you will...
> Jason
>
> On Wed, Apr 14, 2010 at 4:12 PM, Meteorites USA<eric at meteoritesusa.com>  wrote:
>    
>> Oh yeah... this is a obvious one... It's simply too fast to be a plane.
>> Even a very close one.
>>
>> Regards,
>> Eric
>>
>> On 4/14/2010 4:06 PM, Meteorites USA wrote:
>>      
>>> Compared to the Great Daylight Fireball it's almost exact speed. I don't
>>> see much difference in speed at all. The reason you don't see smoke is
>>> some kind of filtering on the video.
>>>
>>> Compare these:
>>> http://www.youtube.com/watch?v=o1WKd8tWlto
>>>
>>> And This:
>>> http://www.youtube.com/watch?v=ZUyoDkp30-U&NR=1
>>>
>>> These are two videos taken of the exact same fireball at different
>>> distances. Hence the reason they appear to be at different speeds.
>>>
>>> The Middlesex video show a fireball that is MUCH further away, and they
>>> camera is using filtering (Sepia?) and that is obscuring the smoke train.
>>> http://www.youtube.com/watch?v=cGfnMGisImo
>>>
>>> This is an Earthgrazer and is now probably a fusion crusted asteroid if
>>> it left our atmosphere.
>>>
>>> Regards,
>>> Eric
>>>
>>> On 4/14/2010 3:20 PM, Jason Utas wrote:
>>>
>>>        
>>>> Hello All,
>>>> Compared to other videos of fireballs, that body is moving *very* slowly.
>>>> Also note the lack of a distinct head/tail and any fragmentation.
>>>> None of these facts would rule it out as a fireball, but if it is one,
>>>> it would have to be a very strange, slow-moving one...that doesn't
>>>> leave a smoke train on a fairly clear day.
>>>> Regards,
>>>> Jason
>>>>
>>>> On Wed, Apr 14, 2010 at 3:13 PM, Marco Langbroek
>>>> <marco.langbroek at wanadoo.nl>     wrote:
>>>>
>>>>
>>>>          
>>>>> Op 14-4-2010 22:02, Roberto G. schreef:
>>>>>
>>>>>
>>>>>            
>>>>>>> From: "LEO STACHOWICZ"<l.stachowicz at btinternet.com>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                
>>>>>>
>>>>>>              
>>>>>>> Hi all,
>>>>>>>
>>>>>>> I came across footage of what appears to be a daytime fireball over the UK
>>>>>>> on Easter
>>>>>>> Sunday just gone. The footage seems to be genuine and taken in an "IR
>>>>>>>
>>>>>>>
>>>>>>>                
>>>>>>>> mode" or
>>>>>>>>
>>>>>>>>
>>>>>>>>                  
>>>>>>> with an "IR filter".
>>>>>>>
>>>>>>> http://www.youtube.com/watch?v=cGfnMGisImo
>>>>>>>
>>>>>>> Clear skies,
>>>>>>> Leo
>>>>>>>
>>>>>>>
>>>>>>>                
>>>>>> I think that it's a genuine record, of that? I think of a meteor
>>>>>> event, perharps too a satellite rentry.
>>>>>> Best greetings.
>>>>>> Roberto Gorelli
>>>>>>
>>>>>>
>>>>>>              
>>>>> Actually, I think it is an aircraft. You can hear the sound of the engine, with
>>>>> doppler effect, especially in the snd part of the footage.
>>>>>
>>>>> - Marco
>>>>>
>>>>> -----
>>>>> Dr Marco (asteroid 183294) Langbroek
>>>>> Dutch Meteor Society (DMS)
>>>>>
>>>>> e-mail: dms at marcolangbroek.nl
>>>>> http://www.dmsweb.org
>>>>> http://www.marcolangbroek.nl
>>>>> -----
>>>>>
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>>>>>
>>>>>            
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