NebulaCharles LilloAugust 20, 2016Western Veil nebula, rgb, Sequence Generator Pro, SGP, Bi ColorComment Western Veil Bi Color HA - OIII SGP testing and now configuration continues. NebulaCharles LilloAugust 20, 2016Western Veil nebula, rgb, Sequence Generator Pro, SGP, Bi ColorComment