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Cosmic Bat Nebula

Also known as NGC 1788

Cosmic Bat Nebula is a reflection nebula in the constellation Orion.

Dusty reflection nebula in Orion shaped like a bat

Cosmic Bat Nebula: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeReflection nebula
ConstellationOrion
Position (J2000)5h 06m 53s, −3° 20′
Brightnessmagnitude 5.8 (smaller is brighter; the faintest stars the eye sees are about 6)
Size on the sky2′ × 2′ (the full Moon is about 31′)
FilterNo filter (It shines by reflected starlight, which a nebula filter would dim.)
Studied in36 scientific papers (SIMBAD)

When and how to see it

Cosmic Bat Nebula is highest in the sky at midnight in December. From India (about 20° N) it climbs to about 67° above the horizon; from 50° N, to about 37°. To see it you need the naked eye from a dark site.

Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.

For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.

More in Orion

Everything in Orion · All 88 constellations · All sky objects

Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · OpenNGC · Data sources & credits