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Colour and ISO settings

SteveBz

By SteveBz
in Imaging - Discussion

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SteveBz

SteveBz

Posted
Posted (edited)

Hi Guys,

Back in the day, before guiding, and I could only get 45s to 60s exposures, and even then the stars were oval, my colours were rich. I hadn't discovered stretching and I used iso6400.

2017-01-24_21-55-45.thumb.png.d80a8e70c1c94e464582c91df80eb457.png

Now I'm guiding for 4 mins on iso1600, stacking and stretching and I have little colour in my stars. The frames are pretty bleached out, but I don't care because I'm going to remove light pollution by stretching

My concern is, is this why I have no colour? If I cut back to iso800 or 400, will the colours be less bleached, such that stretching will restore the colour as before? I'm thinking I should round my exposures up to 300secs and drop my iso to 400.

Opinions sought.

Regards,

Steve.

 

Edited by SteveBz
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