Why does the Moon have a red shine when it's really high in the sky (about 50 degrees)? I understand the extinction reddening, but that's only when the Moon is below perhaps 10 degrees, this effect though is mostly visible at full moon in the middle of the night, when the Moon is high in the sky. Here are two screen shots. The first is the full moon at 20 degrees, the second is the full moon at 50 degrees.
It's not red enough that anybody in the last 5 years would have complained about that slightly reddish tint in the surrounding halo if the moon is just barely large enough to see more than a bright spot. It's a model, and models may be imperfect. Of course, nature is still more beautiful.
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How do I fix this red tint? Earlier versions of stellarium got it right. And like nature, it was beautiful. But something happened and something changed, thus giving us this ugly version.
I know 0.10.6 draws the moon colors correctly.
Around 0.11.4 there is orange tint when zoomed out, still acceptable.
With 0.12.7 the whole moon is tinted orange brown like shown above.
So it seems that beginning with 0.12.x the rendering was modified broken for some reason. And both my screenshots are when the moon is near zenith.
Is there a setting or option I can change other than turning off the atmosphere?
Last edit: Keatah 2016-11-14
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That means it must have been 5 years that the moon halo was integrated into the global sky model, and that nobody was bothered enough to write about it until a year ago. Somebody may be able to reverse-engineer and fix this. As always, patches welcome. Further discussion where it belongs: https://bugs.launchpad.net/stellarium/+bug/1641756
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I wonder how many people are annoyed by such a bug, but don't take the time to write it up? And I wonder why something as obvious as this has gone unnoticed?
Maybe because the effect is subdued unless the moon is near 100% full?
I must also add that because no one complained about it doesn't make it not an issue.
Last edit: Keatah 2016-11-15
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Hi!
Why does the Moon have a red shine when it's really high in the sky (about 50 degrees)? I understand the extinction reddening, but that's only when the Moon is below perhaps 10 degrees, this effect though is mostly visible at full moon in the middle of the night, when the Moon is high in the sky. Here are two screen shots. The first is the full moon at 20 degrees, the second is the full moon at 50 degrees.
http://i.imgur.com/O4SWLLo.png
http://i.imgur.com/2vBbKWS.png
It's not red enough that anybody in the last 5 years would have complained about that slightly reddish tint in the surrounding halo if the moon is just barely large enough to see more than a bright spot. It's a model, and models may be imperfect. Of course, nature is still more beautiful.
How do I fix this red tint? Earlier versions of stellarium got it right. And like nature, it was beautiful. But something happened and something changed, thus giving us this ugly version.
So how can I set this back so it looks normal?
Last edit: Keatah 2016-11-14
Define "Earlier versions"
I know 0.10.6 draws the moon colors correctly.
Around 0.11.4 there is orange tint when zoomed out, still acceptable.
With 0.12.7 the whole moon is tinted orange brown like shown above.
So it seems that beginning with 0.12.x the rendering was modified broken for some reason. And both my screenshots are when the moon is near zenith.
Is there a setting or option I can change other than turning off the atmosphere?
Last edit: Keatah 2016-11-14
That means it must have been 5 years that the moon halo was integrated into the global sky model, and that nobody was bothered enough to write about it until a year ago. Somebody may be able to reverse-engineer and fix this. As always, patches welcome. Further discussion where it belongs: https://bugs.launchpad.net/stellarium/+bug/1641756
I wonder how many people are annoyed by such a bug, but don't take the time to write it up? And I wonder why something as obvious as this has gone unnoticed?
Maybe because the effect is subdued unless the moon is near 100% full?
I must also add that because no one complained about it doesn't make it not an issue.
Last edit: Keatah 2016-11-15
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A reverse of this could work though. The moon halo is redder the lower on the horizon it is, as a neat tweak to the extinction reddening.
Sure. Just point us as easily to the right lines of code. Did I say we need more developers? Now it is a registered bug report, to keep us aware.
@ANONYMOUS
That's the way its supoosed to work. Nature has been doing that since the solar system was invented.