Loading…
Loading contentLoading…
Loading contentThe end-to-end chain that turns a night at the telescope into a finished picture: mount, optics, and camera acquire tracked, autoguided exposures of the target and matching calibration frames; the frames are calibrated, aligned, and stacked; and the result is stretched and processed. Understanding the whole chain — where signal is gained and where it is lost — is what separates a snapshot from a scientific-grade image.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.