How Do I Handle an Overexposed Crescent Moon

Not a great image, but it was first time using the Tokina 2035 3.5-4.5 lens with my Sony A6300. I couldn’t stay out long because I could not make setting changes with my lousy gloves. I was able to capture the Moon and Venus. Also the faint dot just below the Moon is Saturn. I knew I was going for the Moon and Venus. But never knew Saturn until I saw it on Stellarium.

Any help with how to fix the overexposed Moon is appreciated. If you have other ideas, those are welcome as well.

Cold Winter’s Night with the Moon, Saturn and Venus © 2025 by Genesius Jaromsky is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International

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Thanks and God bless. :pray: :milky_way: :camera_flash:
PS Been away from DT and want to get back into it.

Hi Genesius,

You didn’t specify this as a play raw, but I did have a play, thanks to you licensing the image.

Capturing Mercury in the “jaws” of the tree was a nice touch!

Unfortunately, the moon is so thoroughly blown that there is little that can be done to recover much detail - experimenting with highlight recovery methods after reducing the exposure on the brightest tones gave a semblance of a non-full moon, but that’s the best that I could manage.

Mercury is also blown, but the shape (from aperture blades? Or did you use a filter?) and small diameter make him more pleasing to the eye. Even Saturn is blown upon pixel-peeping.

It is very hard to get a successful conjunction of the moon with other night-sky objects, because the moon is just so many [sometimes thousands - 10 stops] times brighter. In this case, however, the total exposure time is just much too long for all the subject astro-objects, so I fear this is a chalk-up to experience. Others with more astro experience will be able to be more helpful, I hope.


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Sadly the moon is totally blown and I can’t imagine anyone can recover it. The moon is very bright and can be seen in daylight so a good exposure for the moon is similar to a daylight exposure on earth. You used one second and that would never work. Hopefully you get a nice clear night again and can take a new shot. Maybe 400 ISO, 1/400th of a second and about f11 would be a reasonable starting point.

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Besides the well-known Sunny 16 rule - Wikipedia, there’s also Looney 11 rule - Wikipedia. Won’t help with this image, but you can go with the camera pre-set next time.

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Thanks @martin.scharnke
Appreciate your help.
It was Venus not Mercury. Also, a crescent Moon, not full.
Thanks and God bless. :pray: :milky_way: :camera_flash:

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