A prototype dispersed fixed - delay interferometer has been observed at the Hobby - Eberly 9m and Palomar 5m telescopes in 2001 and demonstrated
photo noise limited Doppler precision with Aldebaran.
Not exact matches
Instead of taking multiple
photos, you also have the option of taking one 20 - 30 minute exposure, but we prefer to do shorter exposures to
limit the amount of
noise.
For instance, Photoshop Elements has a version of the Camera RAW app that Photoshop CC uses for the processing of RAW
photo files, though it is
limited to the more basic controls over color, exposure, sharpening,
noise and camera calibration.