Basic object information
Name: M 17
Type of object: Bright nebula
Magnitude: 6.0
Size: 30.0'x30.0'
Number of stars: 40
Magnitude of brightest star: 9.3
Object classification: III 3 m n
Description: !!!,B,eL,eiF,2 hooked
Notes: Omega nebula,Swan Nebula,many F outer loops,use filter

Catalog position for epoch J2000.0
Right ascension: 18h 21m 12.0s
Declination: -16 09' 00"

Constellation: Sagittarius


Observer: Iiro Sairanen
Obs. place: Base del Teide (2280m above sea level), Tenerife, Spain
Date/Time: 18/19.4.2004 3:10


Telescope: Newton 110/805mm

Magn: 107x

Filter:

Field: 28'

NE Lim.mag: 7,0

Background sky: 2

Seeing: 3

Height: 23
Visuality: II

Weather: +9˚C, very good and dry

A beautiful celestial swan was visible easily even with direct vision. The nebula is very bright and contains several details. Three brightenings are in the swan's body, the brightest one is just like a wing. Three other nebulae lies east from the main nebula. One of the my favourite objects.

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