Author Topic: Hot Pixels  (Read 2594 times)

G1ZmO

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Hot Pixels
« on: March 24, 2013, 10:16:55 PM »
Ok gimme some advice here.

This is driving me up the wall.

I have on my (Windows XP) laptop a number of programs.

Faststone Image Viewer (thanks Pete) - Can view RAW files
Gimp 2.8 - Cannot load RAW files without a plugin (UFRaw) which stopped being supported on Gimp 2.6!
UFRaw (standalone) which will edit RAW files but only save them as RAW again
BlackFrame NR (http://www.mediachance.com/digicam/blackframe.htm) which is supposed to be for getting rid of hot pixels when you've taken dark frames but apparently doesn't support RAW

See the problem?

I would like to be able to PREVIEW then LOAD the RAW images and dark frames I've taken and subtract the dark frames to get rid of the multitude of hot pixels

Can someone give me the name of a package that would do all of these things? (and perhaps point me to a 'how to' also?)

Thanks muchly

Paul

ps: found this. Anyone used it? http://www.pixelfixer.org/
« Last Edit: March 24, 2013, 10:20:41 PM by G1ZmO »
Paul

SpookyKatt

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Re: Hot Pixels
« Reply #1 on: March 24, 2013, 10:37:54 PM »
Can you not just use Deep Sky Stacker ?
HEQ5/EQ5
Tal 200K and Tal 100R
Equinox 80 and Orion 80
Skywatcher 150mm Refractor
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G1ZmO

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Re: Hot Pixels
« Reply #2 on: March 24, 2013, 10:43:15 PM »
<shrugs> If you say so Kat :)
You're talking to a novice here when it comes to astrophotography lol

Off I go a-downloading
Paul

SpookyKatt

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Re: Hot Pixels
« Reply #3 on: March 24, 2013, 10:46:46 PM »
...well I'm not sure Paul and far from knowledgeable but
DSS certainly allows you to stack with Darks.  Photoshop
will allow you to subtract darks and will give you more than enough
functionality...although +- ahhem -+ it is rather expensive
to buy.


Have you tried that Raw Therapee ?
« Last Edit: March 24, 2013, 10:49:28 PM by SpookyKatt »
HEQ5/EQ5
Tal 200K and Tal 100R
Equinox 80 and Orion 80
Skywatcher 150mm Refractor
Modded Canon EOS 400D
DFK-31AF03

G1ZmO

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Re: Hot Pixels
« Reply #4 on: March 24, 2013, 11:01:43 PM »
Tried DSS but don't really know what I'm doing. I tried stacking a dark and a picture and it took most of the stars out lol

Downloading RawTherapee and CS5 also ;)

Thanks
Paul

stuhawk123

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Re: Hot Pixels
« Reply #5 on: March 29, 2013, 07:08:15 PM »
CS6 all the way its what i use with a plugin called Noiseware, but their are many ways to remove the hot pixels some plugins remove too much detail from the raw data so i use a fill tool with being zoomed in so i can almost see each individual pixel( requires a high resolution monitor) to do it like this but it will end up being a child of your own desired result after you muck about with them, any advice , help and demo,s you need im here to help
 
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