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raw color mode with webcam

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19 years 4 months ago #9545 by daveg
raw color mode with webcam was created by daveg
Below is an image comparing raw mode to ordinary mode. It seems that even though you get more frames for your AVI theres still less noise in 1/2 the amount in raw


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19 years 4 months ago #9547 by michaeloconnell
Replied by michaeloconnell on topic Re: raw color mode with webcam
That's very interesting Dave.
I've converted my toucam to raw...just need to get some clear skies! :roll:

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19 years 4 months ago #9548 by dave_lillis
Replied by dave_lillis on topic Re: raw color mode with webcam
Dave,
I presumed they were processed in a very similar way.
Which webcam were they taken through,
I have 2 toucam pros, I'm going to modify the second one for raw mode.
The first one, I have other plans for.
Definitely more detail to be seen in the raw file.

I havent had a chance at all to try any raw modes but,
I'm trying to remember did I read somewhere that if you use raw mode, you get only black/white images, so you have to use a colour wheel to get a colour image. Is this right or wrong Dave ?? (I have a feeling its wrong)...

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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19 years 4 months ago #9550 by michaeloconnell
Replied by michaeloconnell on topic Re: raw color mode with webcam
There are different types of RAW depending on the chip.
The Toucam Pro can do colour RAW

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19 years 4 months ago #9614 by daveg
Replied by daveg on topic Re: raw color mode with webcam
Hi Dave

Yeah both were processed similarly. TUC Raw is color but the image must be converted to color. astrosnap will give you real time conversion so that the on screen live image is in color if youre using other programs you'll get a bw image that wil have to be converted at a later stage......don't forget Regi3 will convert for you.
I tried this experiment because i hear guys like Martin Moberly and Damien Peach reccomending 10fps to get as many frames as possible. The max possible is 5fps with raw but you get just as good image.

DG

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19 years 4 months ago #9616 by daveg
Replied by daveg on topic Re: raw color mode with webcam
Here's the raw image a bit larger. I'm using the 7315 focuser now and have recently got a maintenance done on the scope by Phillip Lardner of SDAS. Tracking much better now and even with the scope not collimated (a rush job as I'm building a new observatory so have to set everything up) the detail of the disc is musch better. Notice the colors?? I've never got anything like that before, there is a IR/UV filter in place but I dont think its that.


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