I don't know about the manual (but good on ya for digging in!!)... I just played around with GIMP to figure it out. Took a long time that way. But mostly, do google searches for specific things you want to know how to do. There are even some YouTube videos showing how to do things. I the internet!
*Also, sent you a PM about using the airbrush to tint images".
Copyright 1996 - 2026 by David Cottle. Designed by David Bate Jr. All Rights Reserved.
By using this forum, the user agrees not to transfer any data or technical information received under this agreement to any other entity without the express approval of the AUS-CITY Forum Admins and/or authors of individual posts (Forum Admins and DoD/USSPACECOM for the analysis of satellite tracking data).
Two-line elements (TLE) and all other satellite data presented and distributed via this forum and AUS-CITY mailing lists are distributed with permission from DoD/USSTRATCOM.