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Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing

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Toxic Coolaid
professor emeritus


Reged: 10/01/11

Loc: NorthEast Tennessee
Comet C/2012 K5 Linear video on 1-7-13 new
      #5613798 - 01/09/13 02:14 PM

Comet C/2012 K5 Linear on 1-7-13. Moving through Taurus. This is 4.5 hours of travel time. Some high clouds rolled is near the end.

You may want to pick the 1080 HD quality in the bottom right corner

Thank you AdirondackAstro for bringing the comet to my attention

60 second subs
AT8IN, 60Da with CLS filter

http://mophopix.smugmug.com/Astronomy/Astrophotography-Videos/21864752_jVVxnD...

Edited by Toxic Coolaid (01/09/13 02:19 PM)


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shrevestan
scholastic sledgehammer


Reged: 04/19/12

Loc: Shreveport, LA
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: Toxic Coolaid]
      #5613981 - 01/09/13 04:05 PM

That is really cool. I didn't realize it moved so fast.

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Toxic Coolaid
professor emeritus


Reged: 10/01/11

Loc: NorthEast Tennessee
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: shrevestan]
      #5614065 - 01/09/13 04:46 PM

I was surprised at it's speed too. I was originally going to take 120 second subs, but it was trailing noticeably. I'd like to get a good image but I'm having trouble stacking it is DSS. I'll keep working on it.

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shawnhar
Postmaster
*****

Reged: 06/25/10

Loc: Knoxville, TN
Re: Comet C/2012 K5 Linear video on 1-7-13 [Re: Toxic Coolaid]
      #5614166 - 01/09/13 05:57 PM

Hey let me know if you figure out DSS comet stacking, I am having issues as well

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Mike B.
Carpal Tunnel
*****

Reged: 10/24/05

Loc: Louisiana
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: Toxic Coolaid]
      #5614752 - 01/10/13 12:13 AM

Nice video!

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Toxic Coolaid
professor emeritus


Reged: 10/01/11

Loc: NorthEast Tennessee
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: Mike B.]
      #5615961 - 01/10/13 06:01 PM

I finally got a half decent comet stack with DSS. It seemed to be best to only use 10 lights. I then registered them with a 2% star detection threshold. I then selected the comet in each frame. Stacked with Comet + Stars, then stacked with Kappa-Sigma clipping. DSS also had a couple minute "Not Responding" perion between the star stack and comet stacking phase.



Edited by Toxic Coolaid (01/10/13 06:10 PM)


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shawnhar
Postmaster
*****

Reged: 06/25/10

Loc: Knoxville, TN
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: Toxic Coolaid]
      #5615986 - 01/10/13 06:14 PM

Hey that look great! Thanks for psoting your steps, I had been trying to stack 85 frames...silly me.

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Toxic Coolaid
professor emeritus


Reged: 10/01/11

Loc: NorthEast Tennessee
Re: Comet C/2012 K5 Linear video on 1-7-13 new [Re: shawnhar]
      #5616021 - 01/10/13 06:31 PM

I tried that too. With over 10 I get diagonal noise and gradient rings in the comet.

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