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Alan Clitherow

Photographer: Alan Clitherow Title: NGC2244 in SII,Ha and OIII Image data: Rosette Nebula, 8 by 10 min Ha, 5 by 10 min OIII and 2 by 10 min SII filtered images CDS-600D II pro mono, cooled to -15 dec ‘C’. Colours mixed to Hubble Palette. ED80 telescope with 0.8 FR / field flattener lens. This […]