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Sharpness Question
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Oct 24, 2022 15:48:51   #
joecichjr Loc: Chicago S. Suburbs, Illinois, USA
 
r1ch wrote:
Ran through a little noise reduction, sharpening, structure and changed the color. Sharpening brought out the stars or, you had a lot of hot pixels. Probably the former.


Stunningly beautiful

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Oct 24, 2022 17:22:45   #
r1ch Loc: Colorado
 
joecichjr wrote:
Stunningly beautiful


Thanks Joe, but anyone can edit a picture and make it look better with the right tools.

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Oct 25, 2022 07:43:05   #
fuminous Loc: Luling, LA... for now...
 
Doug Gaudette wrote:
In photographing the moon I have difficulty getting a sharp image as the moon is rising over water. I also have difficulty getting a sharp image when the rising moon is reddish/orange, which usually occurs as the moon is rising over the water. I have a bit more luck getting a sharper image when the moon is higher in the sky. And a lot more luck when the moon is a crescent moon rather than a full moon. I don’t know if there is some sore of weird water or atmospheric phenomena at play, or if it just a lack of skill on my part (which is certainly a possibility). I’ll attack a few photos which may help to illustrate the issue. If this helps I shoot with a Nikon D850 with a Tamron 150-600 G2. I usually use an ISO of 100-200, F-stop of 11 and a shutter speed that varies depending on the location of the moon. Thanks in advance for your help.
Doug
In photographing the moon I have difficulty gettin... (show quote)


As others have said re: atmosphere being thicker but also, "... as the moon is rising over water." Remember water temperature is usually different than air temperature and subject to those wavy heat distortions seen on hot days. Yeah, harder to see at night, but still there.

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Oct 25, 2022 09:03:49   #
agillot
 
A full moon has no details , no shadows on the craters , mountains , so you get a flat image , no contrast .On the other hand a small crescent has a lot of details . I dont like full moon shots .

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Oct 25, 2022 09:40:09   #
jerryc41 Loc: Catskill Mts of NY
 
"...weird water or atmospheric phenomena at play..."

Definitely! That's why NASA is putting telescopes into space.

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Oct 25, 2022 09:45:35   #
r1ch Loc: Colorado
 
agillot wrote:
A full moon has no details , no shadows on the craters , mountains , so you get a flat image , no contrast .On the other hand a small crescent has a lot of details . I dont like full moon shots .


This is a good lessen in photography. Full moon is front lighting, You use front lighting on faces of old people to hide wrinkles. Crescent moon is side lighting, lots of texture and contrast. Remember this when you use side lighting or front lighting with flash or natural light and position your subject or lighting accordingly.

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Oct 25, 2022 10:04:44   #
Doug Gaudette
 
Thank you all once again. Your suggestions and recommendations are very helpful. It appears that, in addition to interesting atmospheric issues at play, I also need to do a better job on my end. Your input will certainly help. Much appreciated.
Doug

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Oct 25, 2022 11:25:18   #
wdross Loc: Castle Rock, Colorado
 
Doug Gaudette wrote:
In photographing the moon I have difficulty getting a sharp image as the moon is rising over water. I also have difficulty getting a sharp image when the rising moon is reddish/orange, which usually occurs as the moon is rising over the water. I have a bit more luck getting a sharper image when the moon is higher in the sky. And a lot more luck when the moon is a crescent moon rather than a full moon. I don’t know if there is some sore of weird water or atmospheric phenomena at play, or if it just a lack of skill on my part (which is certainly a possibility). I’ll attack a few photos which may help to illustrate the issue. If this helps I shoot with a Nikon D850 with a Tamron 150-600 G2. I usually use an ISO of 100-200, F-stop of 11 and a shutter speed that varies depending on the location of the moon. Thanks in advance for your help.
Doug
In photographing the moon I have difficulty gettin... (show quote)


Because of the extra atmosphere, a higher shutter speed is required for the moon shots through the extra atmosphere. That helps to negate the extra atmosphere's movement.

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Oct 25, 2022 11:39:09   #
Fotoartist Loc: Detroit, Michigan
 
CHG_CANON wrote:
Your first image shows ISO-2000 rather than a usual ISO-100-200. The graininess of the image is the digital noise. You probably want to be a tad faster on the shutter than the 1/100 sec used, maybe just 1/125 sec. Then, open your aperture, say to f/8, and let more light in while dropping the ISO on this specific type of shot.


I agree. Shutter speed was too low.

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Oct 25, 2022 15:20:04   #
chrisg-optical Loc: New York, NY
 
You're shooting through lots of atmosphere which itself acts as a lens, plus over large bodies of water evaporation causes distortion (changing density of the air) - you can see the ripples in the moon caused by this effect. Lots of other factors affect sharpness but those are the two major ones at play here. You can try shooting the low moon over land if possible that will help.

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Oct 25, 2022 15:57:47   #
revhen Loc: By the beautiful Hudson
 
rmalarz wrote:
You're shooting through a lot more atmosphere with the moon on the horizon than when it's overhead. That is the source of the issue.
--Bob


Absolutely

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Oct 25, 2022 16:13:55   #
jeffkempton
 
I set my D7100 at f8, ISO 100, manual focus in live mode or through my laptop, then adjust the shutter speed until I get what I want. I also use a single axis star tracker on my tripod. This takes the urgency out of setting up as the moon never leaves the center of the image.





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Oct 25, 2022 16:27:04   #
gonzo.3800
 
with my 80d and tamron 150/600 I use spotmeter center focus point iso 400 and 1/500 sec. this better than my luney11 shots in the past



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Oct 25, 2022 19:02:55   #
Thomas902 Loc: Washington DC
 
Wow! Absolutely stellar!

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Oct 25, 2022 19:57:00   #
Don, the 2nd son Loc: Crowded Florida
 
rmalarz wrote:
You're shooting through a lot more atmosphere with the moon on the horizon than when it's overhead. That is the source of the issue.
--Bob



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