• Amateur in Japan images big impact on Jupiter

    From RichA@21:1/5 to All on Thu Sep 28 21:49:59 2023
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jake M@21:1/5 to RichA on Fri Sep 29 10:57:06 2023
    On 9/29/23 12:49 AM, RichA wrote:
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    With advanced digital manipulation available to the masses these days, I
    dare to say that that video might be faked. If there were other videos supporting that one, then maybe, but otherwise most likely false.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Chris L Peterson@21:1/5 to Jake M on Fri Sep 29 10:25:39 2023
    On Fri, 29 Sep 2023 10:57:06 -0400, Jake M <mill45@fla.net> wrote:

    On 9/29/23 12:49 AM, RichA wrote:
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    With advanced digital manipulation available to the masses these days, I
    dare to say that that video might be faked. If there were other videos >supporting that one, then maybe, but otherwise most likely false.

    Such impacts are fairly common, and there are a lot of cameras
    pointing at Jupiter. No reason to think this is fake.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Martin Brown@21:1/5 to Chris L Peterson on Fri Sep 29 20:24:43 2023
    On 29/09/2023 17:25, Chris L Peterson wrote:
    On Fri, 29 Sep 2023 10:57:06 -0400, Jake M <mill45@fla.net> wrote:

    On 9/29/23 12:49 AM, RichA wrote:
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    With advanced digital manipulation available to the masses these days, I
    dare to say that that video might be faked. If there were other videos
    supporting that one, then maybe, but otherwise most likely false.

    Such impacts are fairly common, and there are a lot of cameras
    pointing at Jupiter. No reason to think this is fake.

    There have been quite a few seen over the years.

    Chances are that someone else also has video footage of the same event.
    Cheap webcams and the likes of registax has put planetary imaging well
    within the capabilities of any keen amateur. Once the time and date is published it is quite likely that others will confirm it.

    Great thing about videos is that they catch transient phenomena (lunar
    or planetary) so there is no longer any debate about what an observer
    saw through the eyepiece as used to be common in the past.

    It looked violent enough that it might even produce some visible
    scarring on the planets cloud deck like the SL9 impacts did.

    --
    Martin Brown

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jake M@21:1/5 to All on Sat Sep 30 08:47:28 2023
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    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Chris L Peterson@21:1/5 to Jake M on Sat Sep 30 07:38:47 2023
    On Sat, 30 Sep 2023 08:47:28 -0400, Jake M <mill45@fla.net> wrote:

    On 9/29/23 3:24 PM, Martin Brown wrote:
    On 29/09/2023 17:25, Chris L Peterson wrote:
    On Fri, 29 Sep 2023 10:57:06 -0400, Jake M <mill45@fla.net> wrote:

    On 9/29/23 12:49 AM, RichA wrote:
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    With advanced digital manipulation available to the masses these days, I >>>> dare to say that that video might be faked.  If there were other videos >>>> supporting that one, then maybe, but otherwise most likely false.

    Such impacts are fairly common, and there are a lot of cameras
    pointing at Jupiter. No reason to think this is fake.

    There have been quite a few seen over the years.

    Chances are that someone else also has video footage of the same event.
    Cheap webcams and the likes of registax has put planetary imaging well
    within the capabilities of any keen amateur. Once the time and date is
    published it is quite likely that others will confirm it.

    Great thing about videos is that they catch transient phenomena (lunar
    or planetary) so there is no longer any debate about what an observer
    saw through the eyepiece as used to be common in the past.

    It looked violent enough that it might even produce some visible
    scarring on the planets cloud deck like the SL9 impacts did.


    I'm still skeptical. Since it happened in August, I don't recall seeing
    any images showing impact effects. How do we know that it wasn't a head
    on meteor that was captured entering our atmosphere and not Jupiter's
    that just coincidentally happened to appear over Jupiter as it did?
    I've seen such meteors during my lifetime and they lacked the brilliance
    of normal meteors.

    It's already been examined and reported on professionally. A head-on
    meteor in that location would me much rarer than an impact on Jupiter!
    The seeing distortion is consistent with a source outside the
    atmosphere. And the impact wasn't large enough to create any
    persistent mark on the top of the jovian atmosphere.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jake M@21:1/5 to All on Sat Sep 30 09:55:02 2023
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    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jake M@21:1/5 to All on Sat Sep 30 10:05:01 2023
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    --- SoupGate-Win32 v1.05
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  • From Chris L Peterson@21:1/5 to Jake M on Sat Sep 30 10:10:31 2023
    On Sat, 30 Sep 2023 09:55:02 -0400, Jake M <mill45@fla.net> wrote:

    Ok. Wow, I wonder how much brighter Shoemaker-Levy 9 would have been
    had it been captured with modern technology cameras? Would have liked
    to have seen a video version of its initial impact.

    Equipment available at the time would have imaged it nicely. But the
    impact occurred on the far side of the planet as seen from Earth, so
    no ground-based instruments were capable of observing the direct
    impact. However, it was observed by several space-based cameras, and
    HST caught the fireball rising above the limb.

    --- SoupGate-Win32 v1.05
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  • From palsing@21:1/5 to Chris L Peterson on Sat Sep 30 10:23:02 2023
    On Saturday, September 30, 2023 at 9:10:39 AM UTC-7, Chris L Peterson wrote:
    On Sat, 30 Sep 2023 09:55:02 -0400, Jake M <mil...@fla.net> wrote:

    Ok. Wow, I wonder how much brighter Shoemaker-Levy 9 would have been
    had it been captured with modern technology cameras? Would have liked
    to have seen a video version of its initial impact.
    Equipment available at the time would have imaged it nicely. But the
    impact occurred on the far side of the planet as seen from Earth, so
    no ground-based instruments were capable of observing the direct
    impact. However, it was observed by several space-based cameras, and
    HST caught the fireball rising above the limb.

    https://www2.jpl.nasa.gov/sl9/sl9.html

    --- SoupGate-Win32 v1.05
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  • From Martin Brown@21:1/5 to Jake M on Sun Oct 1 13:11:38 2023
    On 30/09/2023 15:05, Jake M wrote:
    On 9/30/23 9:55 AM, Jake M wrote:
    On 9/30/23 9:38 AM, Chris L Peterson wrote:
    On Sat, 30 Sep 2023 08:47:28 -0400, Jake M <mill45@fla.net> wrote:

    On 9/29/23 3:24 PM, Martin Brown wrote:
    On 29/09/2023 17:25, Chris L Peterson wrote:
    On Fri, 29 Sep 2023 10:57:06 -0400, Jake M <mill45@fla.net> wrote: >>>>>>
    On 9/29/23 12:49 AM, RichA wrote:
    https://petapixel.com/2023/09/27/amateur-astrophotographer-captures-rare-jupiter-explosion/

    With advanced digital manipulation available to the masses these >>>>>>> days, I
    dare to say that that video might be faked.  If there were other >>>>>>> videos
    supporting that one, then maybe, but otherwise most likely false. >>>>>>
    Such impacts are fairly common, and there are a lot of cameras
    pointing at Jupiter. No reason to think this is fake.

    There have been quite a few seen over the years.

    Chances are that someone else also has video footage of the same
    event.
    Cheap webcams and the likes of registax has put planetary imaging well >>>>> within the capabilities of any keen amateur. Once the time and date is >>>>> published it is quite likely that others will confirm it.

    Great thing about videos is that they catch transient phenomena (lunar >>>>> or planetary) so there is no longer any debate about what an observer >>>>> saw through the eyepiece as used to be common in the past.

    It looked violent enough that it might even produce some visible
    scarring on the planets cloud deck like the SL9 impacts did.


    I'm still skeptical.  Since it happened in August, I don't recall
    seeing
    any images showing impact effects.  How do we know that it wasn't a
    head
    on meteor that was captured entering our atmosphere and not Jupiter's
    that just coincidentally happened to appear over Jupiter as it did?
    I've seen such meteors during my lifetime and they lacked the
    brilliance
    of normal meteors.

    It's already been examined and reported on professionally. A head-on
    meteor in that location would me much rarer than an impact on Jupiter!
    The seeing distortion is consistent with a source outside the
    atmosphere. And the impact wasn't large enough to create any
    persistent mark on the top of the jovian atmosphere.

    Ok.  Wow, I wonder how much brighter Shoemaker-Levy 9 would have been
    had it been captured with modern technology cameras?  Would have liked
    to have seen a video version of its initial impact.

    I'll have to see if I can track down other reports on this Aug impact.
    Yes, I did notice the seeing distortion and how it somewhat matched
    the Jupiter distortion over the same area.

    Jake


    Ok, well, I guess I should have done my homework.  Not just the August impact, but many others over the last couple of decades and all looking similar to the recent one.  When life throws you personal curveballs,
    not as much chance to keep up on things like this unfortunately.

    There have been quite a few since SL9. Nothing quite so impressive but
    these days there is a webcam somewhere pointed at the moon, Jupiter,
    Saturn whenever they are available in the night sky to observe.

    In the old days TLPs used to be put down to observers seeing things that weren't there. Webcams now provide evidence of what was seen. Often
    short lived transients aren't noticed until they process their video.

    This is quite an interesting paper on how SL9 Jupiter impacts started
    people thinking a lot more seriously about planetary defence for Earth.

    https://www.osti.gov/servlets/purl/100126

    --
    Martin Brown

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