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Old 09-03-2011, 09:43 PM
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ballaratdragons (Ken)
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Screen Grabs of 'Live' images from Snake Valley

Yep, screen Grabs from my 'LIVE' broadcast from the Snake Valley Astro Camp

Being 'live' grabs they are all a single frame from live video, so obviously there is no post processing, no stacking, no anything.
What you see is what was on screen 'live'

1. Blackeye Galaxy
2. Cats Paw Nebula
3. Centaurus 'A' Galaxy
4. Lagoon Nebula
5. Leo Trio of Galaxies
6. M83 Southern Pinwheel Galaxy
7. Markarians Chain of Galaxies
8. Spindle Galaxy
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Click for full-size image (March-2011-Cats-Paw-Nebula.jpg)
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Click for full-size image (March-2011-Centaurus-A.jpg)
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Click for full-size image (March-2011-Lagoon-Nebula.jpg)
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Click for full-size image (March-2011-Leo-Trio.jpg)
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Click for full-size image (March-2011-M83.jpg)
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Click for full-size image (March-2011-Markarians-Chain.jpg)
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Click for full-size image (March-2011-NGC-3115-Spindle-Galaxy.jpg)
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  #2  
Old 09-03-2011, 09:46 PM
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ballaratdragons (Ken)
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and . .

1. NGC 4565 Galaxy
2. Sombrero Galaxy
3. Trifid Nebula

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Old 09-03-2011, 09:50 PM
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Astroman (Andrew Wall)
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Top work as usual Ken!
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Old 09-03-2011, 10:05 PM
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renormalised (Carl)
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It always amazes me what you can pick up with a video camera. Only thing that annoys me is the inbuilt sharpening routines in the onboard video processing chips which gives the stars that overly harsh look.
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Old 09-03-2011, 10:08 PM
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Octane (Humayun)
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There is something hauntingly beautiful about those images.

I'm really impressed, Ken. Wish I'd been at Snake Valley!

H
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Old 10-03-2011, 12:18 AM
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ballaratdragons (Ken)
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Quote:
Originally Posted by Astroman View Post
Top work as usual Ken!
Thanks Andrew

Quote:
Originally Posted by renormalised View Post
It always amazes me what you can pick up with a video camera. Only thing that annoys me is the inbuilt sharpening routines in the onboard video processing chips which gives the stars that overly harsh look.
Yes Carl, I totally agree. But for a live image it still amazes me how good the images are.
I can take the Astronomiks IR/UV filter off and make all the stars blurry blobs
Then they definitely won't be over-sharp

Quote:
Originally Posted by Octane View Post
There is something hauntingly beautiful about those images.

I'm really impressed, Ken. Wish I'd been at Snake Valley!

H
H, what is really eerie is when you point at an object and it appears instantly on the screen!

Hauntingly beautiful? Maybe the noise adds something.
Thanks
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Old 10-03-2011, 12:29 AM
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Sure beats climbing a tall adder and squinting through an Ethos while shaking...plus it's in colour

Cool

Mike
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Old 10-03-2011, 10:29 AM
Hagar (Doug)
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Nice collection again Ken. We will have to get you back out in the field with the rest of us. It just ain't the same without your smokestack billowing.
Well done Mate.
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Old 10-03-2011, 10:59 AM
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Spewing I missed the broadcast.I didn't know it was on (but I should have known). Great work ! Was this the 120mm achro?
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Old 10-03-2011, 05:12 PM
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ballaratdragons (Ken)
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Quote:
Originally Posted by strongmanmike View Post
Sure beats climbing a tall adder and squinting through an Ethos while shaking...plus it's in colour

Cool

Mike
Not wrong Mike.
Video is gaining popularity overseas with the elderly (they can see the object this way), and with outreach. Whole groups can see the object at the same time, in colour, and no smudges left on the EP
and of course with Broadcasting.
Now people in opposite hemispheres can see an object live that they would never normally see.

Quote:
Originally Posted by Hagar View Post
Nice collection again Ken. We will have to get you back out in the field with the rest of us. It just ain't the same without your smokestack billowing.
Well done Mate.
Thanks Doug.
No smokestack any more Doug, since I gave up smoking last year, and I don't want to blind everyone with my bright monitors of the show. But yes, it does get a bit lonely up where I set up away from all the action of the field.

Quote:
Originally Posted by DavidU View Post
Spewing I missed the broadcast.I didn't know it was on (but I should have known). Great work ! Was this the 120mm achro?
Yes Davo, these are all with the 120mm Achro.

I did give the 150mm Achro a run too but I didn't get any screen grabs of the results.
The images through the 150mm were stunning, and close up!
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Old 10-03-2011, 05:45 PM
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Great work Ken.

If you're going to stay in that chapel of yours you'll need a heater!



niko
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Old 10-03-2011, 05:55 PM
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renormalised (Carl)
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Ken...I wonder how the Baader semi-apo filter would go added to the image train here?? If it works visually, it may just work in tow with the vid.
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Old 10-03-2011, 06:01 PM
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Quote:
Originally Posted by renormalised View Post
Ken...I wonder how the Baader semi-apo filter would go added to the image train here?? If it works visually, it may just work in tow with the vid.
Thanks Carl,
what is the difference between the Astronomiks 'L' UV/IR filter I am using now and the Baader semi-apo visual filter?
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Old 10-03-2011, 06:11 PM
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Quote:
Originally Posted by ballaratdragons View Post
Thanks Carl,
what is the difference between the Astronomiks 'L' UV/IR filter I am using now and the Baader semi-apo visual filter?
The Baaders get rid of pretty much all of the violet fringing you get around bright objects with achros. I also believe they have UV/IR block as well.

Here's what they say at MyAstroShop. I've been looking to get one for my achro. Might get one next payday, if I don't get too many bills in the meantime!!!!
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Old 10-03-2011, 06:17 PM
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Carl,checkout the Baader contrast booster filter, nice control of the violet as well.

Quote:
Originally Posted by renormalised View Post
The Baaders get rid of pretty much all of the violet fringing you get around bright objects with achros. I also believe they have UV/IR block as well.

Here's what they say at MyAstroShop. I've been looking to get one for my achro. Might get one next payday, if I don't get too many bills in the meantime!!!!
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Old 10-03-2011, 06:21 PM
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renormalised (Carl)
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Quote:
Originally Posted by DavidU View Post
Carl,checkout the Baader contrast booster filter, nice control of the violet as well.
Yes, I know. They're not bad either and a little cheaper. The only downside is the greenish cast they give neutral colours (blue sky looks greensish).

Last edited by renormalised; 10-03-2011 at 06:34 PM.
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Old 10-03-2011, 07:12 PM
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mill (Martin)
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Niiiicceeee!! Ken
I will bring my semi apo filter with me in November.
It takes away the purple halo's around the stars.
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Old 10-03-2011, 07:22 PM
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ballaratdragons (Ken)
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Quote:
Originally Posted by renormalised View Post
The Baaders get rid of pretty much all of the violet fringing you get around bright objects with achros. I also believe they have UV/IR block as well.

Here's what they say at MyAstroShop. I've been looking to get one for my achro. Might get one next payday, if I don't get too many bills in the meantime!!!!
Holy smokin' joe Batman! $179 !!!!

I went and read some CN reviews about this filter and discovered that it also reduces through light by up to around 30%.
To pay so much and lose so much light just doesn't seem worth it.

Quote:
Originally Posted by mill View Post
Niiiicceeee!! Ken
I will bring my semi apo filter with me in November.
It takes away the purple halo's around the stars.
Thanks Martin, worth a try.
I'm not impressed about the reported 30% loss of light though

But you never know.

But on the subject of any star fringing, remember that I am not attempting any imaging with this set-up.
This is purely for live viewing. A small bit of fringe around a star is ok compared to the wow factor from people seeing an instant image appear.

The screen grabs are only to show what we were seeing 'live'.
If another type of filter makes the whole presentation better then it may be worth it, but not at $179 and 30% loss.
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Old 10-03-2011, 07:32 PM
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renormalised (Carl)
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What we really need is a filter that converts an achro to a respectable apo.
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Old 10-03-2011, 07:58 PM
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What about Baader's Fringe Killer?
Claims to have 95% transmission of the wavelengths in its bandpass region.

http://www.nexstarsite.com/Reviews/B...ingeKiller.htm
http://www.company7.com/baader/optio...ngekiller.html
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