Hi, so I've did a short time lapse at Redang with my D90, and when I complied the image sequence, I saw a presence of an annoying bright/dull green dot on the same exact spot on my photos. Thought the sensor was too hot after a period of timelapse, but when I checked some photos a few days prior to my discovery of the green dot, it's also present on those normal photos.

I shot in both NEF and JPEG, and a number of few ISOs. The problem is still there.

How do I fix this Hot/Stuck pixel? Can any one recommend a fix for this, before resorting to a camera technician, eg Cheah's.

Thanks!

without few sample photo, we can only Assume u mean dead pixel on sensor base on your description.

dead pixel, more of a permanent hot pixel, cannot be fix, but be remapped, physically shut off the pixel, and remapped color from surround pixel. im not sure about D90, some camera has a build in function of pixel mapping, or some camera are automated to remap the pixel every month.

this is more of a permanent sensor damage, i doubt cheah can 'easily' fix it without changing the sensor.

My apologies, I'll upload some right now.
To my knowledge, dead pixels on the sensor only produce a zero value, so every picture will have a black dot right? Whereas stuck/hot pixels are ones that is still "active" and is currently 'stuck' on a specific gain value to produce either R G B or white?

yeap, dead pixel can mean many thing. the name comes and goes and all sort of way to name it...
as long as the pixel(diode) are not doing its job of capturing the right analog signal to the AD chip conversion, then the digital code will end up with wrong color. so...

Pixel with no readout, yea, black dot, but rare, because analog signal wont display black, as electric current goes through it, it will always capture something (hence more noise from hotter sensor)

pixel with stuck readout, hence permanent hot pixel, the name hot pixel simply comes from Hot (bright) pixel.

pixel that appear when pixel/diode are hot (after several minute of uses), usually known hot pixel too. but are non permanent.

one more thing im curious and unclear. does the green spot happen when u shoot iso100 in daylight? at the same spot. if no, then you are fine, its probably non permanent hotpixel during heat up sensor.