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Basic object information
Name: M 20
Type of object: Bright nebula
Magnitude: 6.3
Size: 30.0'x20.0'
Number of stars: 67
Magnitude of brightest star: 6.0
Object classification: n
Description: vB,vL,Trifid,D* inv
Notes: Trifid nebula,sev dark lanes,H IV 41 & V 10,D* HN 40 invl

Catalog position for epoch J2000.0
Right ascension: 18h 02m 30.0s
Declination: -22° 57' 00"

Constellation: Sagittarius

Observer: Iiro Sairanen
Obs. place: Base del Teide (2280m above sea level), Tenerife, Spain
Date/Time: 18/19.4.2004 4:10

Weather: +9˚C, dry...almost perfect

Main part of the nebula has divided to four different parts. B85 has seen a dark propeller in the middle of M20. Whole complex consist of four nebulae.

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