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D810: Seemingly not able to use Long Exposure NR


hdnathan
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As recommended practice in "The Backyard Astronomer's Guide", I've tried to use the LONG EXPOSURE NR > ON menu selection in the Nikon D810 but using this causes BYN to abort the exposure session at the end of the first frame of capture.  Am I doing something wrong, is there a work around or is this feature just not supported at this time.

 

Thanks,

 

Nathan

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Despite the guidance you got from the "The Backyard Astronomer's Guide", most of us DO NOT USE the Camera's built-in Long-Exposure Noise Reduction (LENR) feature.

 

This is because:

1) We tend to want "More Control" over our Image Processing, including Calibration using Darks / Flats / Bias Frames.  If the Frames are already Dark-Subtracted via LENR, then this is difficult/impossible.

2) We tend to want to make the most of our Imaging Time by capturing JUST the Light Frames, and then capturing the Darks / Flats / Bias Frames later (if we don't already have them stored in Libraries).

 

That being said...

In general, BYE/BYN should handle LENR Imaging much more Gracefully - by simply spinning the "Downloading" indicator until the LENR Exposure is completed.

(Do make sure that you are using Bulb Mode for your Exposures - not just Manual...)

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