Owl Nebula

At a glance

Type

Planetary nebula

Constellation

UMa

Right ascension

11h 14m 47.8s

Declination

+55° 01′

Apparent magnitude

9.9

Angular size

3.6x3.6′

Catalogue

NGC3587

Located in Ursa Major.

The outline on your card

A round disc with two darker hollows reads as the eyes of an owl.

Outline class

Ring

Axis ratio

1.00 : 1

Central source

Single central star

Surface brightness

High

Recorded structure

Cavity · Hollow · Two cavities

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.