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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/
- What are 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 business end) of your lens run into an obstacle and are interfered with and bent, causing the light to spread out.
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.
Astrophotography: Diffraction Spikes – The Blog Formerly Known …
- https://themcdonalds.net/astrophotography-diffraction-spikes/
- 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 many people think stars are “supposed” to look that way. Children drawing stars in art works even tend to draw …
Dealing with diffraction spikes. - Beginners Forum (No …
- https://www.cloudynights.com/topic/735958-dealing-with-diffraction-spikes/
- Dealing with diffraction spikes. - posted in Beginners Forum (No astrophotography): I’m fairly new to astronomy, other than astrBought my first telescope which came in yesterday. It’s an 8” dobsonian. I had great luck, but was wondering how to deal with diffraction spikes, or is is something I just have to deal with? Also, what causes them?
Adding A Star Diffraction Effect To Your Images – …
- https://remoteastrophotography.com/2019/12/adding-a-star-diffraction-effect-to-your-images
- Adding A Star Diffraction Effect To Your Images. Blog / Image Processing. December 21, 2019. A star diffraction effect is a spiking effect from bright sources of light, such as stars. The diffraction effect is usually considered to be pleasant because it enhances the appearance of stars in an image. This article walks you through the process of adding …
5th diffraction spike explained! (well sort of): …
- https://www.dpreview.com/forums/thread/4086378
- The doubling of the 4 spider diffraction spikes is easier to remedy. Just adjust one or the other of each offending pair of supports so that their diffraction spikes overlap. There is usually enough extra diameter in the hole in the tube to move the support studs a bit to the side. If not, make the hole larger.
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 ...
How can an astrophoto shot through a refractor have diffraction spikes ...
- 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 they add them by placing some kind of mask in front of the aperture to mimic the effect of a Newtonian reflector’s spider vanes. Almost anything will work.
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