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Star-forming emission nebula · evidence and sources

Pelican Nebula

Also known as IC 5070, IC 5067.

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

Image-field position and adopted distance

Pelican Nebula image-field center is placed at J2000 RA 20.9 h, Dec 44.3° in Cygnus, at an adopted distance of 1,800 light-years.

EpochJ2000
LimitImage north is 135.1 degrees right of vertical. Line-of-sight thickness is illustrative.
Physical data Catalog

Image field at the adopted distance

Pelican Nebula (star-forming emission nebula; central source Pelican Nebula, embedded stellar population): projected footprint at the adopted distance 16.8 × 26 light-years; outer radius used for arrival 13 light-years.

Methodmeasured sky-plane structure with constrained display depth
Appearance Reconstructed

Sky-plane structure with a display depth

This narrowband field shows the Pelican’s structured cloud front, not its entire wide silhouette. The shared complex distance is approximate; colors distinguish emission filters. 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.

Methodmeasured sky-plane structure with constrained display depth
LimitEmission points and knots are deterministic presentation samples, not individually catalogued gas parcels.

What is not measured

  • Appearance: a reconstruction from measurements, not a direct observation. Sky-plane structure with a display depth. Emission points and knots are deterministic presentation samples, not individually catalogued gas parcels.

Sources cited

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