Entrant Statement: M18 - The Black Swan Cluster. This cluster in Sagittarius creates reflection features that should have been worthy of Sidney van den Bergh's notice.
Location: Deep Sky West remote observatory near Santa Fe, NM
Equipment: Moravian C5a-100M, Takahashi TOA130, Chroma filters
Exposure: 151x180s L, 83x180s R, 83x180s G, 83x180s B
Total Integration Time: 20 hours