Back NGC2237Rosette Nebula in Emission-Line Click to display the full resolution Object InfoTypeDiffuse NebulaConstellationMonocerosDistance5,500 ly Capture DetailsDateDecember 3, 2005LocationCarlsbad, CAExposureSII 3x15 (bin 2x2), Ha 7x15 (bin 1x1), OIII 3x15 (bin 2x2) as RGBNotesMulti-night image collection EquipmentOpticsTakahashi FSQ-106N RefractorFocal Length530mm @f/5MountCelestron CGECameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm SII, Ha, OIIISoftwareMaxIm DL 4, RegiStar, Photoshop cs