Open cluster at Scorpion's Tail is known since the early ages. Ptolemaeus (AD130) described it as a "nebula following the sting of Scorpius". Giovanni Batista Hodierna noted 30 stars counted during an observation in 1654.
1764 Charles Messier descibed M7 as a "comet-like object" in his catalogue.

(Akrep'in kuyruğunda açık küme: M7 (NGC 6475) Ptolomaeus Kümesi)

Distance ~800 (ly)
Visual Brightness: 3.3 (mag)
Apparent Dimension: 80.0 (arc min)
Actual Dimension: ~20 (ly)

Starlight Xpress SXVF-H9C
Takahashi FS-60C
Takahashi EM-200 Temma2
4x60 sec lights , 4 darks
captured with original camera software V3.5
processed with ImagesPlus 3.80, Photoshop CS2

19.6.2009 ; 00:30
Girdev Plateau, 1750m
36.66882N, 29.64467E