Category: Astrophotography

How do you use calibration frames in astrophotography?

January 23, 2022, 06:40, asked: Mg

How to take Bias Frames for Astrophotography

  1. Use the fastest shutter speed possible (often 1/8000″)
  2. Keep the lens cap on your camera or telescope (and cover the viewfinder)
  3. Use the same ISO as your light frames.
  4. Capture about 20-40 bias frames.

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How many flats do you need for astrophotography?

January 21, 2022, 12:25, asked: Ryan Wightman

Personally, I have found that 20 flat frames are enough to create a useful master flat file for DeepSkyStacker to calibrate your image. Since these are so quick to capture, there is no harm in collecting 20 or more frames for each session....

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What are light and dark frames in astrophotography?

January 19, 2022, 21:45, asked: BD_destinations

The stacking process alone (light frames) removes random camera noise, but applying dark frames takes it one step further. ... This principle applies to all cameras used for astrophotography, whether it's a DSLR or a cooled dedicated astronomy camera....

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How do you use astrophotography light frames?

January 19, 2022, 06:34, asked: Bryan Guativa Rincon

The basics of flat frames

  1. Shoot at the same ISO/Gain as your light frames.
  2. Keep the camera connected to the scope/lens.
  3. Maintain the same focus as light frames.
  4. Shoot a minimum of 15-20 flat frames.
  5. Temperature is not important (It is with a cooled CCD)

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Can you use a zoom lens for astrophotography?

January 19, 2022, 01:15, asked:

Tracked wide-field images can look amazing with lenses from the 24-50mm range. And a zoom lens, anywhere from 100mm-300mm can work wonderfully with nebula and even large galaxies, like Andromeda (M31). Read our tutorial on how to use the free application Stellarium to choose the perfect focal length for your target!...

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What are calibration frames in astrophotography?

January 17, 2022, 10:23, asked: Uppon A Closer Look

Calibration frames are used to calibrate against each other, as well as your light frames. A series of 25-50 of each calibration type (Bias or Flat Dark, Dark, and Flat) are typically taken then stacked together to end up with a single master image for each calibration type....

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What do dark frames do in astrophotography?

January 16, 2022, 00:52, asked: Denis Amendola

Dark frames can help you remove unwanted noise artefacts in your deep-sky astro images. Find out what dark frames are, and how to use them in astrophotography. Dark frames play an important part in the production of quality deep-sky images, removing unwanted noise artefacts....

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What is a dark flat frame in astrophotography?

January 15, 2022, 00:54, asked: jitender parmar60

Dark flat frames are essentially dark frames. Only you will now need to match the exposure time, the ISO/gain value, and the temperature of your flat frames....

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How many darks should I take astrophotography?

January 13, 2022, 03:53, asked: Jye Desiderato

Aim to capture 16-30 dark frames for conversion into a single master frame to average out the noise artefacts and increase the signal to noise ratio. This ensures that the dark frame doesn't add any unwanted noise of its own to your images....

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What are lights darks and flats in astrophotography?

January 11, 2022, 14:30, asked: Hannah

The Light Frames are the images that contains the real information: images of galaxies, nebula... This is what you want to stack. Dark Frames and Dark Flat Frames. The Dark Frames are used to remove the dark signal from the light frames (or the flat frames for the Dark Flat frames)....

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