NamesCrescent Nebula, NGC 6888, Caldwell 27
TypeEmission nebula
ConstellationCygnus
Magnitude7.5
Size18′ × 12′
RA20h 12m 06.5s
Dec+38° 21′ 18″

The Crescent Nebula is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792.1

Crescent Nebula

Photo Details

TelescopeSeestar S30 Pro (160 mm f/5.3)
Dates2026-10-16, 2026-10-17
Integration time4h 15m
FiltersLP (Hα/OIII)
ProcessingLP filter, processed with dbxtract to Ha/Oiii - result in Foraxx palette

Footnotes

  1. Wikipedia - Crescent Nebula ↩