Basic object information

Object name: NGC 6888
Popular name: Crescent Nebula
Object type: Bright nebula
Magnitude: 10.0
Size: 18.0'x13.0'
Object classification: E
Description: F,vL,vmE,** att
Notes: H IV 72;Crescent Neb;Wolf-Rayet * invl

Catalog information

RA (J2000.0): 20h 12m 48.0s
Dec (J2000.0): +38 19' 00"

Constellation: Cygnus


Observer: Iiro Sairanen
Obs. place: Tähtikallio, Artjärvi, Finland
Date/Time: 23/24.9.2006 23:10

Telescope: Newton 300/1500 mm

Magn: 63x

Filter: O-III

Field: 65'

NE Lim.mag: 6.5

Background sky: 2

Seeing: 2

Visuality: II

Height: 61


Weather: +5C

Crescent Nebula. Pretty large crescent shaped nebula. Brighter areas on the north arc and the north side of the straight central part. The southern end is little bit bleary with averted vision. Several stars are involved with nebulosity. O-III filter helps a lot.