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Basic object information
Name: M 6
Type of object: Open cluster
Magnitude: 4.2
Size: 15.0'
Number of stars: 80
Magnitude of brightest star: 6.2
Object classification: III 2 p
Description: Cl,L,iR,lC,st7,10...
Notes: Butterfly cluster,51 members to 10.5 mag incl var* BM Sco
Catalog position for epoch J2000.0
Right ascension: 17h 40m 06.0s
Declination: -32° 13' 00"
Constellation: Scorpius
Observer: Iiro Sairanen
Obs. place: Boca de Tauce (1980m above sea level), Tenerife, Spain
Date/Time: 16/17.4.2004 3:20
Telescope: Newton 110/805mm
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Magn: 47x |
Filter: |
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Field: 64' |
NE Lim.mag: 6,9 |
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Background sky: 2 |
Seeing: 3 |
Height: 19°
Visuality: I
Weather: +2°C, moist
Butterfly -shape was clearly visible. Several stars between 6-7 mag and more fainter ones...