Assertion: nebula's region | /r/MadeOf | the sagittarius star cloud
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text: This region of the sky contains several other notable deep sky objects, including Messier 22 (Sagittarius Cluster), Messier 28, Messier 8 (Lagoon Nebula), Messier 20 (Trifid Nebula), Messier 21, Messier 23, the Sagittarius Star Cloud (Messier 24), Messier 25, and Messier 18.