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What is a Diffraction Spike? | Celestron
- https://www.celestron.com/blogs/knowledgebase/what-is-a-diffraction-spike#:~:text=A%20diffraction%20spike%20is%20the%20light%20you%20see,refractors%20as%20it%20doesn%E2%80%99t%20have%20a%20secondary%20mirror.
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How to Make [Legit] Diffraction Spikes on Stars with a …
- https://www.photographingspace.com/howto-diffraction-spikes/
- Antares, with diffraction spikes Shown to the left in this exposure of the bright star Antares , diffraction spikes are artifacts that show themselves on brighter stars in our images when the beams of light entering the objective end (the …
Adding A Star Diffraction Effect To Your Images – …
- https://remoteastrophotography.com/2019/12/adding-a-star-diffraction-effect-to-your-images
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Astrophotography: Diffraction Spikes – The Blog …
- https://themcdonalds.net/astrophotography-diffraction-spikes/
- Diffraction Spikes – the long sharp lines radiating from bright stars in some astrophotographs – are an artifact caused by the vanes suspending the secondary mirror in a Newtonian reflector telescope.They are so common that …
How can an astrophoto shot through a refractor have …
- https://skyandtelescope.org/astronomy-resources/astronomy-questions-answers/how-can-an-astrophoto-shot-through-a-refractor-have-diffraction-spikes-on-bright-stars/
- The diffraction spike sets apart a star in the Hubble Ultra Deep Field. Many imaging enthusiasts like the look of spikes on bright stars, and …
Diffraction Spikes - Beginners Forum (No …
- https://www.cloudynights.com/topic/36091-diffraction-spikes/
- On a planet you do not get a spike but two bands that are brighter than the background. Imagine that each point on the planets surface causes a diffraction spike. Add up all those diffraction spikes and they will not be single spike but rather two broad bands at right angles (4 vane spider) whose width is the diameter of the planet. Jon
5th diffraction spike explained! (well sort of): …
- https://www.dpreview.com/forums/thread/4086378
- This will give less total diffraction spread around in 6 spikes at 60° intervals. Some people may prefer that pattern to the usual 4 spikes. With the 3-vane spider there is no problem with double spikes since the 6 spikes don't overlap. The following graphic shows the effects of various methods of supporting the secondary mirror.
How to make diffraction spikes - Stargazers Lounge
- https://stargazerslounge.com/topic/81454-how-to-make-diffraction-spikes/
- I love spikes in SOME images (The Seven Sisters) and other asterisms. However if your images are widefield with hundreds of stars then spikes can really reduce the viewing pleasure. PL did a tutorial in S@N some time ago and his top tip was to cover the objective (i think he was using a refrac) with thin cotton or nylon (a pair of the wifes ...
Help with weird diffraction spikes. : astrophotography
- https://www.reddit.com/r/astrophotography/comments/33ni4d/help_with_weird_diffraction_spikes/
- Help with weird diffraction spikes. Here is a link to a photo I posted a bit ago. I like the photo but I have noticed lately that I am getting weird "thick/double" diffraction spikes on all of my photos. Collimation is done with a laser every time I set up, and I set up at home in the basement before going out for the above photo to verify that ...
What is a Diffraction Spike? | Celestron
- https://www.celestron.com/blogs/knowledgebase/what-is-a-diffraction-spike
- July 3, 2018 A diffraction spike is the light you see extend from a star in your astro-images. A diffraction spike is caused by how light bends or diffracts around an object or in this case the support beams in your secondary mirror in reflecting telescopes. This spike isn’t present with refractors as it doesn’t have a secondary mirror.
Diffraction spike - Wikipedia
- https://en.wikipedia.org/wiki/Diffraction_spike
- Diffraction spikes are lines radiating from bright light sources, causing what is known as the starburst effect or sunstars in photographs and in vision. ... In amateur astrophotography, a Bahtinov mask can be used to focus small astronomical telescopes accurately. Light from a bright point such as an isolated bright star reaching different ...
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