M3 (Globular Cluster in Canes Venatici)

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Date: June, 2008
Location: Elizabeth, CO. ~6500 ft alt. Mag 5.0 skies
Telescope: 16" f/4.9 Newtonian w/ Keller/Wynne coma corrector
Exposure Duration:  Total 240 mins, 24 ten min subexposures, -15 deg C
Imager: SBIG ST-2000XCM
Filtration: Custom Scientific luminance filter
Guiding: Self-guided
Seeing: ~2"
Comments: Each subimage calibrated in CCDOps. Sub-medians created using sets of three subexposures. Sub-medians summed. Sum DDPed/deconvolved in CCDStack.

 


Return to the Star Cluster Images page or The Bell Observatory homepage or go to SEDS page (astronomical information on M3)