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Astrophotography: How Long Can You Go? - Sky & Telescope
- https://skyandtelescope.org/astronomy-blogs/imaging-foundations-richard-wright/astrophotography-rule-of-500-how-long/#:~:text=When%20taking%20an%20untracked%20photo%20of%20the%20night,angle%20lens%2C%20then%20500%20%2F%2020%20%3D%2025.
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A Few Words on Short Exposures for Astrophotography
- https://skyandtelescope.org/astronomy-blogs/imaging-foundations-richard-wright/short-exposures-astrophotography/
- If you make a sequence of images of a bright star, with one second exposure, you get a star image with a given diameter, if you decrease …
Astrophotography and Exposure, Clarkvision.com
- https://clarkvision.com/articles/astrophotography.and.exposure/
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Finding the Optimal Sub-frame Exposure
- https://www.cloudynights.com/articles/cat/articles/astrophotography/finding-the-optimal-sub-frame-exposure-r1571
- All the minimum exposure indicates is the exposure length where light pollution noise overwhelms camera read noise such that stacking and doubling the exposure are equivalent. Exposing below that minimum simply …
Astrophotography: How Long Can You Go? - Sky
- https://skyandtelescope.org/astronomy-blogs/imaging-foundations-richard-wright/astrophotography-rule-of-500-how-long/
- While many astrophotographers follow the "rule of 500" (or 300), some experimentation can help find the right exposure time for your setup. Update Location SUNSET:
Calculating/estimating minimum exposure time per sub: …
- https://www.dpreview.com/forums/thread/4207314
- RudyPohl wrote: rnclark wrote: RudyPohl wrote: HI there, I need some help figuring out what should be my minimum ideal exposure time for …
Optimum Exposures Calculator - Gibraltar Astronomical …
- http://www.gibastrosoc.org/sections/astrophotography/optimum-exposures-calculator
- Astrophotography can seem like a fair bit of guess-work. In general the process of capturing images involves doing so at a certain exposure length and multiple times for the same target, using the same filter. The idea here being to combine the images captured during calibration in order to reduce the pronunciation of noise and increase the ...
Minimum exposure time? - AstroBin
- https://www.astrobin.com/forum/c/group-forums/light-polluted-skies/minimum-exposure-time/
- Frequently, in heavily polluted sky, the recommended minimum exposure is around few seconds with L-Pro, that would lead to a large number of subs. For this reason I never go below 30 seconds and recently I tend to image faint galaxies at 240 seconds as a minimum, keeping an eye to star cores saturation.
More short exposures or fewer long exposures
- https://www.amateurastrophotography.com/more-short-exposures-or-fewer-long-exposures-which-is-better/
- deep sky and planetary astrophotography with goto dobsonian and monochrome cmos ... giving a total exposure time of 120 seconds. Or you can collect the same overall exposure time by using fewer long exposures e.g. 2 subs at 60 seconds each (again totaling 120 seconds). ... Going through all the processes outlined above will have gone a long way ...
How Astrophotographers Shoot (Very) Long Exposures
- https://fstoppers.com/astrophotography/how-astrophotographers-shoot-very-long-exposures-568277
- So, to summarize, here’s what we need to do to take a long exposure shot: Take multiple exposures of the target (called “light” exposures). The exposures should be as long as possible. Take ...
Use the 500 Rule for Astrophotography - AstroBackyard
- https://astrobackyard.com/the-500-rule/
- 500/ 50 / 1.5 = which will result in 7 seconds of exposure. The crop-factor for Canon cameras is almost the same as Nikon’s – 1.6. The formula should look like this: 500 / focal length / 1.6. Now, if you use the same 50mm lens, the formula would be: 500 / 50 / 1.6 = resulting in 6 seconds of exposure. Shutter Speeds
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