Location of photoLos Alamitos, CA
Date/Time of photo9-11/07
EquipmentTakahashi FS102, SX-AO @.2-.4 sec guider exposures, CS 10 nm HA filter-SX H9, IDAS LPR-H9C, G11
HA 14x20 min, RGB 32x20 min.
DescriptionThe Bubble Nebula in HA RGB. LPR and HA filters combined with extended exposure time (15 hours) were used to combat heavy suburban light pollution (Bortle white). The HA filtered images were used to enhance the nebula, tighten the stars, smooth the background, and eliminate light pollution.