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Spiral galaxies · evidence and sources

NGC 1300

A long stellar bar connects sweeping spiral arms traced by young stars and dark dust.

Also known as NGC1300, Barred Spiral NGC 1300.

Catalog Position basis, the same label the app shows on the selection card.

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Every aspect, with its origin

One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.

ObservedCatalogComputedReconstructedIllustrativeUndocumented
Position Catalog

Registered image field

J2000 image-field center RA 3.3 h, Dec -19.4°. Field 5.5 × 3.2 arcminutes; north 29.9° right of vertical.

EpochJ2000
LimitThe image field center is not necessarily a galaxy nucleus.
Physical data Catalog

Adopted distance

Approximately 60,000,000 light-years.

LimitAn approximate reference distance; distances to individual points within the image are not supplied by the observation.
Appearance Reconstructed

Observation-derived appearance

The Hubble field constrains projected dust and starlight. No disk inclination or internal stellar depth is inferred from this image alone. Small foreground or background sources inside the selected apertures may remain; they do not have individually measured depths. Projected structure follows the credited observation at its published angular scale and an approximate adopted distance. Shallow depth is illustrative, not measured tomography. The source palette is preserved; brightness is adjusted for the navigable view.

Appearance Reconstructed

Live telescope view: Webb NIRCam + MIRI

Compare Hubble’s dark dust lanes with infrared-bright filaments along the bar and inner spiral arms. Publisher release: 29 January 2024; this is not the observing epoch.

MethodPublisher AVM tangent-plane coordinates, resampled to the original destination field; approximate display registration.
LimitThis observation covers approximately 43% of the destination’s rectangular source field. Outside its footprint, the original observation remains visible. Field edges and detector gaps are not physical boundaries. Source palettes are display colors; shallow scene depth is illustrative, not measured tomography.

What is not measured

  • Appearance: a reconstruction from measurements, not a direct observation. Observation-derived appearance. The Hubble field constrains projected dust and starlight. No disk inclination or internal stellar depth is inferred from this image alone. Small foreground or background sources inside the selected apertures may remain; they do not have individually measured depths. Projected structure follows the credited observation at its published angular scale and an approximate adopted distance. Shallow depth is illustrative, not measured tomography. The source palette is preserved; brightness is adjusted for the navigable view.
  • Appearance: a reconstruction from measurements, not a direct observation. Live telescope view: Webb NIRCam + MIRI. This observation covers approximately 43% of the destination’s rectangular source field. Outside its footprint, the original observation remains visible. Field edges and detector gaps are not physical boundaries. Source palettes are display colors; shallow scene depth is illustrative, not measured tomography.

Sources cited

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