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Astrophotography and Sketching >> Solar System Imaging & Processing

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Rankinstudio
Carpal Tunnel
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Reged: 04/05/08

Loc: Southern UT
Fireball with ASI120MM
      #5618263 - 01/12/13 12:06 AM Attachment (75 downloads)

Shot while I was watching TV. Doing a time lapse with 4 second exposures hoping to catch one. Sometime around 9PM Arizona time.

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wenjha
Vendor


Reged: 09/24/08

Loc: SuZhou China
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5618281 - 01/12/13 12:21 AM

Wow!!!
So luck!
that's a so bright Fireball!


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Tuawcxs
sage


Reged: 04/25/08

Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5618573 - 01/12/13 08:14 AM

Very cool. Just asking but are the constellations backwards? Or is it me

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Rankinstudio
Carpal Tunnel
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Reged: 04/05/08

Loc: Southern UT
Re: Fireball with ASI120MM new [Re: Tuawcxs]
      #5618689 - 01/12/13 09:44 AM

It was on the top side of a wide FOV, cropped image. I guess I forgot to check the "flip horizontal" check box in the ASI120MM settings. Here is the full FOV flipped. The ring is a zero profile DSLR t-adapter I was using to block my neighbors porch light.



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sfugardi
Post Laureate


Reged: 09/30/06

Loc: CT
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5618926 - 01/12/13 11:58 AM

David, awesome capture! Imaging a fireball randomly is so rare. For a 4sec shot, the stars are very bright with a noise-free background. Good luck with your new camera. Congradulations and thanks for posting it

Regards,
Steve


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Rankinstudio
Carpal Tunnel
*****

Reged: 04/05/08

Loc: Southern UT
Re: Fireball with ASI120MM new [Re: sfugardi]
      #5619037 - 01/12/13 01:03 PM

Thanks Steve, I caught it as one frame in a time lapse I was working on. This video is 4,275, 4 second exposures, at 40FPS.

http://www.youtube.com/watch?v=64NIXwRVSnI

Enjoy!


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wenjha
Vendor


Reged: 09/24/08

Loc: SuZhou China
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5619877 - 01/12/13 09:58 PM

what is the gain setting?subtract dark?

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Rankinstudio
Carpal Tunnel
*****

Reged: 04/05/08

Loc: Southern UT
Re: Fireball with ASI120MM new [Re: wenjha]
      #5619911 - 01/12/13 10:13 PM

Hi Sam,

I didn't do any dark subtraction. They were 4 second exposures at about 70 gain and 50 gamma. It was about 15 degrees F out.

Cheers!


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Kokatha man
Postmaster
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Reged: 09/13/09

Loc: "cooker-ta man" downunda...
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5619997 - 01/12/13 11:17 PM

Good grab David..!

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Mert
Post Laureate
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Reged: 08/31/05

Loc: Spain, Pamplona
Re: Fireball with ASI120MM new [Re: Kokatha man]
      #5620150 - 01/13/13 02:59 AM

Very impressive, this image is very nice!!!!

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sfugardi
Post Laureate


Reged: 09/30/06

Loc: CT
Re: Fireball with ASI120MM new [Re: Mert]
      #5620317 - 01/13/13 09:01 AM

David, the youtube video is awesome! It's amazing how many meteors you captured that night. Did you have the ASI120MM attached with your 10" scope or a different one? Thanks for the video link!

Regards,
Steve


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Rankinstudio
Carpal Tunnel
*****

Reged: 04/05/08

Loc: Southern UT
Re: Fireball with ASI120MM new [Re: sfugardi]
      #5620432 - 01/13/13 10:14 AM

Thanks guys!

Steve,

I think I only caught that one meteor that night. The rest of them were planes flying by. they look small because the fov is so wide. The video was 4 second exposures at 40FPS, so the planes really zip across the sky

Cheers!


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BKBrown
Post Laureate
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Reged: 08/23/09

Loc: Northern Virginia, USA
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5620633 - 01/13/13 12:01 PM

Cool beans David, neat catch!

Clear Skies,
Brian


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Rankinstudio
Carpal Tunnel
*****

Reged: 04/05/08

Loc: Southern UT
Re: Fireball with ASI120MM new [Re: BKBrown]
      #5620719 - 01/13/13 12:46 PM

Thanks Brian

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wenjha
Vendor


Reged: 09/24/08

Loc: SuZhou China
Re: Fireball with ASI120MM new [Re: Rankinstudio]
      #5621717 - 01/13/13 09:21 PM

I think the weather there is very cold. that's why I can't see the noise.

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