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Looking for improvement This is the e-group critique board. If you post a picture here it will be assumed that you are looking for comprehensive technical feedback - both good and bad, but always respectful. Only post pictures here if you can deal with potentially negative constructive criticism. Anyone is qualified to comment and post feedback, and everyone is encouraged to do so. NB: "Looking for Improvement" is the place to post any pictures you would like advice on improving, no matter how bad you might think they are.

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Old 28th July 2018
blu-by-u blu-by-u is offline
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Eclipse of the moon

Full eclipse of the moon occurred this morning. Question is, How should I post process the photos to bring out more details? Maybe I should be asking what's the right settings?

Started from this

/7.1 500.0 mm, 1/200s, ISO 200


/7.1 500.0 mm 1/200s, ISO 200


/7.1 500.0 mm 1/125s, ISO 200


/7.1 500.0 mm 1/100s, ISO 200

From here on, I had to increase my ISO and aperture and lower the speed. I lost all image quality.


/6.3 500.0 mm 3.2", ISO 800

What am I doing wrong?
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  #2  
Old 28th July 2018
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Re: Eclipse of the moon

Great work!

Very cloudy here, unfortunately

Ian
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Old 28th July 2018
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Re: Eclipse of the moon

Here in Oslo, despite a clear sky at sunset, some clouds arrived just in time to obscure the eclipse. So - thanks for posting these shots. Very nicely executed!
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Old 28th July 2018
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Re: Eclipse of the moon

I don't think you are doing anything wrong Henry. When the moon is in total eclipse there is very little light falling on it - just the red that is refracted through earth's atmosphere. We can see it quite well with the naked eye because we subconsciously adjust to the fall in intensity, but the records it as it really is. The only way to get a better image is to increase the exposure, which means some combination of higher ISO, longer exposure time, and wider aperture.

It is still a nice sequence showing the progress of the eclipse. As Ian says most of us here in the UK didn't see anything as it was cloudy - for the first time in many weeks!

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Old 28th July 2018
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Re: Eclipse of the moon

Thanks for posting this Henry I agree a great sequence. Its the same rules for milkyway images you have motion blur. For a 500mm lens you would have needed a 0.4sec (200/500) shutter speed. Using a tracker would have greatly helped as would taking multi frames and stacking them. I also have a bigma and the IQ of the lens is poor in anything but really good light. To me you would be better of using the 300mm f4 if you have it. Your experience is a learning curve for me as well because I did not know just how low exposure would be required and I would not have thought of using my tracker. Its all a learning curve and the next one is in January 2019. My advise would be buy one of those low cost trackers I have the Star Adventurer and would recommend that.

For me my location was completely overcast as I had planned to try and combine a milkyway image with the blood moon. Your exposures really helps me understand how much light dimmed when the moon was in the shadow of the earth. Thanks for posting.
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Old 28th July 2018
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Re: Eclipse of the moon

8/8ths cloud (the first cloud in weeks) and thunderstorms meant that the southern half of the UK saw no moon at all so I'm glad someone was able to see something. 800 ISO does not seem that high to me and you could easily double that to get a faster shutter speed. Perhaps a switch to shutter priority and auto ISO is in order. Like others I have little experience of shooting in these conditions so your results give us all food for thought. Thanks.
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Old 30th July 2018
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Re: Eclipse of the moon

Great shots Henry. Doesn't look like much wrong to me. Just had cloud here when I looked out.
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Old 30th July 2018
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Re: Eclipse of the moon

Yes, quite difficult. I took a couple during the 2015 eclipse and I think there were 12 stops of difference in the exposure.

Before the eclipse: https://flic.kr/p/zbWB22
During: https://flic.kr/p/yTAui2
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Old 2nd August 2018
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Re: Eclipse of the moon

Quote:
Originally Posted by raichea View Post
Yes, quite difficult. I took a couple during the 2015 eclipse and I think there were 12 stops of difference in the exposure.
...
12 stops
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