What do you think about the possibility of adding texture 4k?
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Growflavor Please clarify...maybe we have related interests...this is 2019 and there are several easy to use public portals for high quality Solar System mission image data.
A) The max I can get Starry Night to currently draw for Planets & Moons is virtual texture (VT) 128k resolution. This is Level 7 in Starry Nights Folder & File naming convention.
Celestia & Orbiter support up to at least 13 levels so that one can add very detailed tiles of only specific regions of interest (ROIs) in the upper levels.
For example, this enables comparing detailed changes on Mars (e.g. melt or land slides) or E v W lighting/shadows on Lunar or Mercury craters, etc. by making & placing in adjacent levels tiles made from different imaging dates.
A nice Cornell discussion of virtual textures relevant to Celestia (& Starry Night):
https://www.classe.cornell.edu/~seb/celestia/textures.html
B) Starry Night's in program "add image" is currently of very limited use for planetary/moon objects since it only supports single images of relatively small size: it would be more useful to redirect this feature to "add an image of a specific latitude longitude location = surface feature" more akin to what Google Earth/Moon/Mars does with added photos. Images could be personal astro photography or from a public tax funded service such LROC Quickmap 3D or LunaServ or ODE:
QuickMap 3D Lunar: http://bit.ly/2HKDiZI
LunaServ: http://webmap.lroc.asu.edu/lunaserv.htm
and the ODE portals, etc.https://ode.rsl.wustl.edu/mars/indexMapSearch.aspx:
Example Mars surface feature comparison in adjacent VT levels:
Example LROC QuickMap 3D Lunar data:
Example LunaServ data portal:
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