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Equipment Discussions >> Electronically Assisted Astronomy

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HowardK
Pooh-Bah
*****

Reged: 10/20/10

Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4828744 - 09/26/11 02:02 PM

What part of london r u in maurice?

I'm from finchley

Howard


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GlennLeDrew
Postmaster
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Reged: 06/18/08

Loc: Ottawa, Ontario, Canada
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4828888 - 09/26/11 03:32 PM

Maurice,
If I may offer a suggestion. Often in your images I note what I'd call a somewhat agressive reduction of sky glow, to the point that the lower intensities in the image are artificially clipped to black. This makes the noise right at the threshold between black and 'not black' awfully apparent. See what results when you leave some amount of sky glow apparent in the image. In my estimation, DSO images should never have truly black backgrounds, because in reality there's always some glow there.


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Raginar
Postmaster
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Reged: 10/19/10

Loc: Rapid CIty, SD
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4828901 - 09/26/11 03:41 PM

Hey Ken,

How much exposure did you have for the Helix Nebula? I tried it last night and only got the faintest nebulosity out of it at 56-sec. You using any filters?

Chris


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biomedchad
professor emeritus


Reged: 04/13/09

Loc: Marion, Ohio
Re: Astro Video Image Gallery new [Re: Raginar]
      #4829627 - 09/26/11 11:10 PM Attachment (34 downloads)

just a little ET for you!! NGC 457

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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4829851 - 09/27/11 04:36 AM Attachment (26 downloads)

Thanks Ken
Quote:

That's a great result Maurice, and a HUGE image scale Lovely strong colours.

Yep, Video cuts through LP pretty good, but it also cuts through thin cloud pretty good too


Indeed -thin cloud is no problem Here's a *pale* version of my M27 from last night - of course appearance will vary via monitor/laptop in use and personal choice especially as the eye doesn't operate in colour at low light levels so results can't have universal acceptance

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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: Astro Video Image Gallery new [Re: nytecam]
      #4829878 - 09/27/11 05:10 AM Attachment (24 downloads)

and for a bit of fun... the SX Lodestar software allows a one-click negative image that leaves the colour unchanged [think about it!] and to right a negative image of left image that reverses the colours as a sort of *Nytecam/Hubble pallete*

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Raginar
Postmaster
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Reged: 10/19/10

Loc: Rapid CIty, SD
Re: Astro Video Image Gallery new [Re: nytecam]
      #4830082 - 09/27/11 09:43 AM

Looks good Nyte

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Dragon Man
Carpal Tunnel
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Reged: 03/07/06

Loc: Snake Valley, Australia
Re: Astro Video Image Gallery new [Re: Raginar]
      #4830347 - 09/27/11 12:20 PM

Raginar says:
Quote:

Hey Ken,

How much exposure did you have for the Helix Nebula? I tried it last night and only got the faintest nebulosity out of it at 56-sec. You using any filters?

Chris




Chris, it was set at 56 seconds. I think I had APC set at 9 & 9 for Helix.
But I also had a very Fast focal ratio. That helps.
Scope is 600mm fl @ f7.5 with a 0.6x FR making the imaging Focal ratio f4.5 at only 600mm = Very Fast
The only filter I have in is an Astronomiks 'L' IR/UV filter


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Dragon Man
Carpal Tunnel
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Reged: 03/07/06

Loc: Snake Valley, Australia
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4831914 - 09/28/11 10:24 AM Attachment (19 downloads)

I went into PSP AnimationShop and put the 2 Running Man images together to see the difference more easily than trying to scroll up and down the page to compare the two

The ED80 certainly beats the Achro (to be expected).


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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4833400 - 09/29/11 03:14 AM

Ken - the *Running Man* is actually running in your *animation* and thanks for *fixing* this thread at the top

Your note re "no processing of images" to give the video-look appreciated but I can't contain myself with my Lodestar-C look at M20 scraping my southern horizon last night - my first view ever and typically virtually no stars visible to naked eye below Altair



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Dragon Man
Carpal Tunnel
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Reged: 03/07/06

Loc: Snake Valley, Australia
Re: Astro Video Image Gallery new [Re: nytecam]
      #4833431 - 09/29/11 03:59 AM

Quote:

Ken - the *Running Man* is actually running in your *animation* and thanks for *fixing* this thread at the top



He's very active!

Quote:

Your note re "no processing of images" to give the video-look appreciated but I can't contain myself with my Lodestar-C look at M20 scraping my southern horizon last night - my first view ever and typically virtually no stars visible to naked eye below Altair




The 'No (or very little) processing' rule is in the TOS, its not my creation

but your M20 looks fantastic Maurice
Congrats on finally seeing it. It must be a buzz


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Snaproll
Postmaster
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Reged: 02/20/04

Loc: Green Bay
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4838565 - 10/02/11 01:35 AM Attachment (32 downloads)

Here's a Helix from last night on NSN.

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Michael Rapp
Post Laureate
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Reged: 04/27/04

Loc: Dickinson, TX
Re: Astro Video Image Gallery new [Re: Snaproll]
      #4839202 - 10/02/11 12:31 PM Attachment (33 downloads)

I spent most of last night trying to push the SDC-435 to its limit in detecting faint galaxies. We had a really transparent night, so I went after some really faint ones (15th mag) and some clusters, like Hickson 10.

So near the close of the evening, when I turned the camera to M42 for the first time, I was nearly blinded. In my video logbook, I couldn't come up with words to describe it, so I simply wrote, "See picture."

This screenshot, while spectacular, does not approach the view in the Speco. The Speco has more definition, a far wider dynamic range, more color, and more subtlety.

Also, Bob (Mega256) was right all along. AGC High is the way to go, one just needs to be patient! I don't know why I was so hesitant to use it. I feel like I just upgraded my camera.

In any case, here is M42, SDC-435, no IR filter, x512, AGC-High, C9.25, f/3.3. Mag 4.5 skies.


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Dragon Man
Carpal Tunnel
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Reged: 03/07/06

Loc: Snake Valley, Australia
Re: Astro Video Image Gallery new [Re: Michael Rapp]
      #4840903 - 10/03/11 09:06 AM

Wow Jim, that certainly is a bright red! Nice capture mate

Yes Michael, push the limits! Go for broke.
You won't know what a camera can achieve until you really push all the settings.
I'm just learning what the MCX can do and I am just starting to push it.
I think I pushed my SCC-A2333 as far as it would go, and then some

Nice result on M42


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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: Astro Video Image Gallery new [Re: Snaproll]
      #4844595 - 10/05/11 03:39 AM

Quote:

Here's a Helix from last night on NSN.


Fabulous image Jim What exposure did you give Your pic made me try for the lowly Hellix from UK last night but it was struggle

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Chris A
Pooh-Bah


Reged: 02/03/07

Loc: Toronto, Canada
Re: Astro Video Image Gallery new [Re: Snaproll]
      #4845443 - 10/05/11 03:21 PM

Good to see you back in action again Jim and what an amazing come back. This has to be the best Helix I have seen captured with the Mallincam!!

Clear skies


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Chris A
Pooh-Bah


Reged: 02/03/07

Loc: Toronto, Canada
Re: Astro Video Image Gallery new [Re: Chris A]
      #4845447 - 10/05/11 03:22 PM

Hi Group

Again I had another blast using my MCX along with the HDX2-F kit last night and
we saw several huge objects live on NSN. You said the a Mallincam cannot do a
capable job on the very large objects <grin>. All data is provided below the
images. I use my Canon f/4 70 to 200 mm camera lens along with an Orion Ha 7nm
filter which made it possible to capture these objects within a very light
polluted large city. I hope you enjot them as much as I did on Night Skies
Network.

Here are the direct link for the full resolution

California Nebula

http://www.flickr.com/photos/47296963@N08/6215182060/in/photostream/

IC 1848

http://www.flickr.com/photos/47296963@N08/6215182162/in/photostream/

Heart and Soul nebula

http://www.flickr.com/photos/47296963@N08/6214665851/in/photostream/

Clear skies,

Chris A
Astrogate


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Raginar
Postmaster
*****

Reged: 10/19/10

Loc: Rapid CIty, SD
Re: Astro Video Image Gallery new [Re: Dragon Man]
      #4845527 - 10/05/11 04:09 PM

Nice, I'm guessing your conditions are just better for imaging it. I was able to pull some faint wisps with my 8 inch f/4 at 56 sec but that was it. Or, I need to turn my gain up a bit... I don't mess with that very often.

Chris


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Dragon Man
Carpal Tunnel
*****

Reged: 03/07/06

Loc: Snake Valley, Australia
Re: Astro Video Image Gallery new [Re: Raginar]
      #4846531 - 10/06/11 05:40 AM

Stunning results Chris!

Pity about that Amp Glow being so overpowering

What length Integration or CCD mode please?


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ZR WON
super member


Reged: 06/17/10

Loc: Indiana
Re: Astro Video Image Gallery [Re: Dragon Man]
      #4846738 - 10/06/11 09:34 AM Attachment (31 downloads)

Morning all:

We've had some really nice weather the past several days which has allowed me to get acquainted with the new mount. Had a couple nice integrations last night. The one of M27 below is my favorite of the night

AP1200, Meade 14" ACF OTA, Xtreme, UHC and IR cut filters, CCD mode, 6 minute integration

Brian A.
Smiling Chicken Observatory


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