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Why do I have blurry star trails? - Photography Stack Exchange
- https://photo.stackexchange.com/questions/42325/why-do-i-have-blurry-star-trails#:~:text=The%20effect%20of%20slight%20defocusing%20or%20overexposure%20is,gaps%20in%20between%20creates%20lines%20of%20variable%20width.
- none
Why do stars look like crosses in photographs?
- https://www.thenakedscientists.com/articles/questions/why-do-stars-look-crosses-photographs
- To do this they tend to have four struts, or supports, projecting out of the side of the telescope tube to hold it up. The "star" or cross shapes you see on images of the stars are a really out-of-focus picture of the support struts. This effect is also called a diffraction pattern.
Why are stars pointy? | (Diffraction spikes explained)
- https://wonderdome.co.uk/pointy-stars-diffraction-spikes-explained/
- Why do stars look spiky on Hubble photographs and appear spiky to our eyes? Do they really have “pointy bits” around them? No, of course they don’t! …
What causes horizontal and vertical lines coming out of …
- https://astronomy.stackexchange.com/questions/11156/what-causes-horizontal-and-vertical-lines-coming-out-of-pictures-of-stars
- 1. sometimes you can get these spike artifacts from the microlenses over the CCD's sensor array as well. also if your CCD does not have antiblooming logic, a very bright star can cause neighboring pixels to saturate as they are being read out, leading to a "spike" only along the readout axis. here's a good document with some common artifacts, from the hubble team: …
optics - Why do stars appear as circles, not points?
- https://photo.stackexchange.com/questions/92387/why-do-stars-appear-as-circles-not-points
- Only if the image is very oversampled will an Airy disc appear as the graphic from Wikipedia. There's just not enough resolution in a camera to …
Why do stars appear as curved lines? - Answers
- https://www.answers.com/astronomy/Why_do_stars_appear_as_curved_lines
- Stars appear as curved lines as they have a trail of energy around them. Wiki User. ∙ 2013-03-17 10:06:25. This answer is:
ELI5: Why do stars in photographs of space often appear …
- https://www.reddit.com/r/explainlikeimfive/comments/6s6fxr/eli5_why_do_stars_in_photographs_of_space_often/
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Why do stars appear so close in universe photos?
- https://physics.stackexchange.com/questions/473669/why-do-stars-appear-so-close-in-universe-photos
- Your guess is correct; the stars appear close together because they are far away. Relatively nearby stars are resolvable as distinct points, but in very distant galaxies it is often not possible to resolve individual stars. Dark spaces between individual stars are actually full of stars and galaxies full of stars.
Why do I have blurry star trails? - Photography Stack …
- https://photo.stackexchange.com/questions/42325/why-do-i-have-blurry-star-trails
- The effect of slight defocusing or overexposure is that brighter stars also appear to be larger stars. Instead of drawing a smooth arc as one very long exposure would do, combining nine shorter exposures with significant gaps in between creates lines of variable width.
Since the Milky Way is a flat disk, it should appear as a straight line ...
- https://astronomy.com/magazine/ask-astro/2018/09/seeing-a-curved-milky-way
- This is because the final photo is a flat projection of a curved sphere, which introduces distortion that ultimately makes the Milky Way appear curved in order to make the horizon appear flat.
Why do other stars appear to move from East to West whereas …
- https://www.quora.com/Why-do-other-stars-appear-to-move-from-East-to-West-whereas-the-pole-star-appears-to-be-stationary
- It appears stationary in the sky because it is positioned close to the line of Earth's axis projected into space. Here is a photo of star trails. Star trails are the continuous paths created by stars, produced during long exposure (all night) photographs. The camera stays fixed, while, as the hours pass, the star.
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