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Poser - OFFICIAL F.A.Q (Last Updated: 2025 Feb 11 3:50 am)
Subject: bagginsbill Evironment Sphere night sky question
You can darken a daylight one. If you load my Panoramic shader, the HSV node let's you control brightness. Change the "Value" parameter to alter the sky luminance. Note that a long-exposure night photo reveals the same blue sky as in the day. Night sky and day sky are actually identical - just different brightness.
You can find some actual night ones at cgtextures.com in the Skies 360/Night section. (Note: The images at cgtexures are domes, not spheres. Use the EnvDome.)
To pick up the general lighting, use IDL in P8 or PPRo 2010.
If you don't have IDL, use my GenIBL to generate a matching IBL for use in P6, P7, or PPro.
To mimic sun or moon, you want one infinite light. Positioning it so it lines up with sun/moon in the photo will cause it to match. I made a thread on how to do that somewhere. Perhaps somebody can link you to it if I don't find it right away.
Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)
Personal experience: I have found that rendering anything dark (like an evening/night sky) generally results in colour banding. For instance, in this image:
http://www.renderosity.com/mod/gallery/index.php?image_id=2174093&user_id=362711&np&np
...I rendered the sky (skydome by Bagginsbill) and water separately using full-light (like, daylight) settings, then photoshopped it to this current darker state. Not sure if it's a Poser-specific problem, but the renders were unacceptable when rendering sky and water with the foreground.
Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2
Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand]
Thank you, Meltz. It'll never make the charts - no temple, no sword, she's not nekkid - but yeah, it happily appeals to some. 
Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2
Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand]
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Ok so i just downloaded the envsphere, and now i am looking for a night sky. Been searching around but hav not yet found anything good. Any ideas where to grab one?
Also do i need to add lights to the scene? or will the sphere pick up the sky light from the sphere? (thats what i am looking to do really, have the sphere sky light the scene)
Thanks for the help again in advance.