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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.
How to Make [Legit] Diffraction Spikes on Stars with a …
- https://www.photographingspace.com/howto-diffraction-spikes/
- How to create diffraction spikes. It’s really, really easy. And, if you’ve got a deductive train of thought, you likely already know how after reading the above section about what diffraction spikes are. Regardless, keep reading to find out if you’re right! What you need. A thin piece of wire, approx 1 or 2mm thick. I’d recommend the A ...
What is a Diffraction Spike? - GigOptix
- https://www.gigoptix.com/what-is-a-diffraction-spike/
- Diffraction spikes are purely caused by the presence of support rods in a telescope. If these supports are absent, there is no diffraction. Diffraction spikes caused due to aperture. An aperture’s edge is also responsible for causing diffraction spikes. The aperture is the gateway that lets in the light from these stars.
Diffraction Spikes from Telescope Secondary Mirror Spiders
- https://www.findlight.net/blog/2020/08/22/diffraction-spikes/
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Help: Strange Diffraction Spikes - Beginning Deep Sky Imaging
- https://www.cloudynights.com/topic/809012-help-strange-diffraction-spikes/
- Help: Strange Diffraction Spikes - posted in Beginning Deep Sky Imaging: Hello everyone, I am not an expert in astronomical photography, I have been practicing this hobby for a short time (about 1 year). I noticed a problem in my photos, the Diffraction Spikes have some oddities, in addition to the classic cross spike in fact there are other lines and I cant …
Astrophotography: Diffraction Spikes – The Blog Formerly Known …
- 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 many people think stars are “supposed” to look that way. Children drawing stars in art works even tend to draw diffraction spikes on their stars.
Diffraction spikes with camera lens? Aperture blades?
- https://www.cloudynights.com/topic/804793-diffraction-spikes-with-camera-lens-aperture-blades/
- This is my second post here. I have been doing basic astrophotography for over a year now. I was under the impression that diffraction spikes in images should only occur with something like a newtonian reflector where there is some sort of obstruction of the light path that causes the spikes. I recently purchased a Pentax k-70 with a 35mm f/2.4 ...
What is the difference between Diffraction Spikes and …
- https://photo.stackexchange.com/questions/113534/what-is-the-difference-between-diffraction-spikes-and-lens-flare
- Diffraction. Diffraction causes light to spread out, when moving through the aperture of a lens, perpendicular to the straight edges of that aperture. This causes the spikes that bleed out from point light sources. The number of spikes is directly related to the number of straight edges available in the aperture.
Easy Way to Make Diffraction Spikes in Photoshop? (make
- https://www.thephotoforum.com/threads/easy-way-to-make-diffraction-spikes-in-photoshop-make-stars-twinkle.72672/
- The short question: Anyone know of an easy way to make diffraction spikes on bright objects in Photoshop? ... This is duplicated in general photography with cross-screen filters. In astronomy, these are bad. But in public relations images, they are good because the public expects the brighter stars to "twinkle" like that. It also helps to bring ...
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