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Walking on the Moon

Advice on Flat Frames please

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I have tried to create a set of Flat Frames using a white pillow-case and a lamp with an energy saver bulb.  The result is a curious shade of green!   I suspect I have been  a numpty, presumably I need either a full spectum light source or sunlight.  

Advice welcome



Edited by pmchugh1961
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Mine come out with a blue tint i suspect because i have a baader lp filter with the same tint so bear this in mind.


And depends on your white balance setting aswell ie Daylight WB and flourescant or tungsten light will produce a color cast.

Dont think i have ever had fully white flats

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2 minutes ago, happy-kat said:

Does it matter though thought that were about helping effectively with gradients and dust spots so white or blue from a dawn sky doesn't matter. 

As long as its flat and even i don't think it does. I think maybe white is used as it allows more light transmission and thus shorter exposures. Doesnt mean the image will allways be pure white though

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