Forums Recent Posts Forums Search Share: Notifications Clear all Tag: rosetta Search Phrase: Search Type: Search Entire Posts Search Titles Only Find Topics by Tags Find Posts by User Find Topics Started by User Advanced search options Search in Forums: Astro Pixel Processor — General — FAQ - Frequently Asked Questions — Camera Support — Tutorials & Workflows — Comet registration and integration — Microsoft Windows — Apple MacOS — Linux — Gallery Development — Release Information — RFCs - Request for changes — Development priorities License, Login & Registration — License — Login & Registration Search in date period: Any Date Last 24 hours Last Week Last Month Last 3 Months Last 6 Months Last Year ago Sort Search Results by: Relevancy Date User Forum Descending order Ascending order # Post Title Date User Algo HA-OIIII extract OIII gives more or less H-alpha but with Airy Disc the blue and green Channels contain OIII 3 years ago Aaron Ruhs OIII H-alpha l-extreme optolong dual-band rosetta Share: