Questions tagged [astrophotography]
Astrophotography is the type of photography specializing in celestial objects such as the sun, moon, stars, and sky.
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Hot do I get rid of satellite trails on astrophotos?
I tried to photograph the Northern Crown constellation last night (2024-05-10 23:40 UTC), but it was crossed by satellites several times:
Here are the parameters of both pictures: 24 mm, f/4, 10 sec, ...
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Removing a color gradient from the Crab nebula in GIMP
I'm new to this stack. I have a question about astrophotography.
A while ago I took pictures of the crab nebula with R, G and B filters with a 120cm telescope. These pictures have already been ...
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How does image stacking work with astrophotography, when then sky rotates and therefore causes misalignment of the stack images?
How does image stacking work for astrophotography? If you were to stack the photos onto each other, then surely they would be out of line, due to the stars moving, right? Even if you take pictures ...
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How can I make the milky way more apparent in my photos?
I was using 6400 ISO with a f2.8, 28 mill lens with a .46 adaptor on a canon m50 for about 15" for this photo. I tried a 1.8 50 mill, 28 mill w/o adaptor, longer exposure, shorter exposure, ...
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How can I photograph the annular eclipse high in the sky and still get a foreground in the image using 500mm lens?
How can I photograph the annular (or partial) eclipse high in the sky and still get a foreground in the image using 500mm lens?
In particular, I'm interested in:
If a 10 or 15 stop ND filter would be ...
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Convert Zoom % to Focal length
My Panasonic FZ70 zooms to 60x. The only focal length indicators on the lens are the minimum (20mm) and the maximum (1200mm). There is no indication of focal length as I zoom in or out; the ...
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Continuous shooting without deadtime
I have a Canon 200D am I'm looking for a way to shoot a sequence of 10 pictures with a high exposure time (8s), minimizing the delay between the end of one exposure and the beginning of the following.
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Why are larger apertures used for astrophotography? [duplicate]
Learning about aperture, and depth of field.
I have understood it as such
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When is heat distortion (air turbulence due to heat source) significant in a telescope?
I have this "cognitive dissonance" regarding heat sources at or near a lens (or more specifically, a telescope acting as a lens, as used for astrophotography).
On the one hand, a common ...
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Issue in file selecting to stack in Registax5
I have taken 1998 images of sun using a neural density filter. I preprocessed the images using PIPP and got a list of cropped images which were arranged in order of their quality. But then when I try ...
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Calculate the ideal geometry of a Bahtinov mask for 200 mm MFT
I want to use a Bahtinov mask to focus stars with a Panasonic Leica DG Elmarit 200mm f2.8 MFT.
So far I found out that the geometry of the perfect Bahtinov mask ...
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How can I find a lens locking screw if I have lost the original one?
I have an industrial camera with a C-mount lens, like this one:
(Source of image, last accessed 2022.11.02.)
You can see a tiny screw on the top of the picture. It is used to lock the focus ring or ...
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Do "water repellent" coatings such as the Hoya HD3 or EVO filters prevent condensation/dew?
As asked in the subject — do they help? do they entirely eliminate the problem within "reasonable" humidity levels?
In the manufacturer's description, they only emphasize the aspect of being ...
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Why is the commonly utilized aperture for moon photography much higher than that provided by DoF formula?
in this Moon Photography Guide, a F-Number equal to f/11.0 is suggested. In many answers in this forum, similar values are suggested (ranging from f/8.0 to f/11.0). Even if someone suggests f/5.6, it ...
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Why is the starry night sky so unaturally bright?
The night sky in my vicinity has been rather poor in stars even when it was (presumably) clear of clouds:
You can see an slight orange glow, which hides faint objects in the sky. Here is a full-size ...