Fossil Footprint Nebula

At a glance

Type

Emission nebula (H II region)

Constellation

Per

Right ascension

4h 03m 13.4s

Declination

+51° 19′

Angular size

9x6′

Catalogue

NGC1491

Located in Perseus.

The outline on your card

A small bright nebula crossed by dark, foot-shaped dust outlines.

Outline class

Patchy

Axis ratio

0.67 : 1

Central source

Single central star

Surface brightness

Medium

Recorded structure

Dark lane · Bright rim · Filaments

The card front carries no text by design: the glyph is drawn from this object's own silhouette, so the outline is the only clue you get until you scan it.

What did you just see?

Editorial description pending.

Find it in the sky

Observation guide pending.

Go deeper

Story pending.