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Catalogue and alternative designations NGC 3766


Type Open Cluster 
Position 11 36 1, -61 37
Constellation Centaurus
Camera and Telescope STXL16200 and 36.8cm RCOS Ritchey Chretien
Focal Ratio F9
Exposure Details This is a LRGB image with unbinned Luminance = 120  minutes and Red = Green = Blue = 50 minutes binned 2x2. Astrodon filters were used.  
Description NGC 3766 is a bright open cluster in Centaurus. The apparent magnitude is 5.3 and it subtends about 12 minutes of arc. The didtance is about 5500 light years.