Digital information

James Webb Space Telescope raw exposure

A James Webb Space Telescope raw exposure is the unprocessed digital data captured by one of the telescope's detectors during an observation.

Also known as: JWST raw exposure data

How big is it?

100 MB of data

Defined raw-exposure data volume · defined data model
Typical recorded range: 20 MB to 500 MB.

Scale illustration of James Webb Space Telescope raw exposure, calibrated to its defined raw-exposure data volume measurement.
The marked defined raw-exposure data volume represents 100 MB.

A little perspective

About 3.33 times the data of RAW photo.

RAW photo: An unprocessed digital image file captured directly from a camera sensor, preserving original detail.

Linear measure
BYTES OF DATA100 MB30 MB
01
James Webb Space Telescope raw exposure100 MBDefined raw-exposure data volume
02
RAW photo30 MBData
Bar length represents bytes. The physical sizes of devices are schematic; encoding and compression affect file sizes.
Measurements, assumptions & sources +

James Webb Space Telescope raw exposure

A defined 100 MB raw-exposure scale for one JWST detector product. Instrument, readout pattern, groups, integrations, compression and processing level change the stored volume.

Defined examples — our methodology

The marked defined raw-exposure data volume is calibrated. Unmeasured illustration details are representative.

RAW photo

A chosen 30 MB camera RAW file. Camera and compression mode matter.

Defined examples — our methodology

The marked data is calibrated. Unmeasured illustration details are representative.

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Why this measurement?

Why we use 100 MB

For comparison, this page uses defined raw-exposure data volume. This is labelled defined data model: an explicit comparison model rather than a claim that every example has the same value. The recorded range is 20 MB to 500 MB.

A defined 100 MB raw-exposure scale for one JWST detector product. Instrument, readout pattern, groups, integrations, compression and processing level change the stored volume.

The identifying illustration and the numerical comparison remain separate. How calibrated comparisons work →

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Recorded properties

James Webb Space Telescope raw exposure dimensions and measurements

PropertySelected valueRecorded rangeBasis
100 MB20 MB to 500 MBdefined data model

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Sources and method

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The source records and measurement method remain available for inspection.

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