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NGC7000 North America Nebula <3mins


laser_jock99

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Nice image, pesky sat trail though.

I was surprised to see you shooting at ISO 3200 on that camera though.

Your camera is similar to mine, it has S and R pixels, mine shuts off the R pixels above ISO 1000 which effectively quarters the dynamic range and halves the amount of data your collecting.

Is the IS pro the same?

You can tell by setting the dynamic range to 400% then taking a sub at ISO 800 and another at ISO 3200, if the latter RAW file is half the size of the first then you're only using half the pixels on the CCD.

TSED70Q, iOptron Smart EQ pro, ASI-120MM, Finepix S5 pro.

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Nice image, pesky sat trail though.

I was surprised to see you shooting at ISO 3200 on that camera though.

Your camera is similar to mine, it has S and R pixels, mine shuts off the R pixels above ISO 1000 which effectively quarters the dynamic range and halves the amount of data your collecting.

Is the IS pro the same?

You can tell by setting the dynamic range to 400% then taking a sub at ISO 800 and another at ISO 3200, if the latter RAW file is half the size of the first then you're only using half the pixels on the CCD.

TSED70Q, iOptron Smart EQ pro, ASI-120MM, Finepix S5 pro.

Not sure if the IS Pro is the same - I'll give that a try tonight?

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