Pictures from Celestia

General discussion about Celestia that doesn't fit into other forums.
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trappistplanets
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Post #621by trappistplanets » 20.04.2021, 19:35

john71 wrote:Aurora borealis:
whoa
is that ssc or sprite effects?

john71
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Post #622by john71 » 22.04.2021, 07:38

Jupiter aurora:

Jupiter aurora-1.png
Jupiter aurora-2.png
Jupiter aurora-3.png
Jupiter aurora-4.png

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MrSpace43
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Post #623by MrSpace43 » 26.04.2021, 02:38

Neptune and Triton Pic.png
Been into Astronomy since the age of 5 or 6. Started making planetary textures back in late 2016. 3D animator who makes high quality animations in Cinema 4D. I find it funny that Nintendo officially called Boom Boom, a "mad lad" lol.

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Post #624by john71 » 28.04.2021, 09:07

Exoplanet with city:

Exoplanet city-2.png

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Art Blos M
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Post #625by Art Blos » 28.04.2021, 10:43

john71 wrote:Exoplanet with city:
Graphics from 2002 year. Nostalgia. :rambo: :biggrin:
Attachments
Serious Sam.jpg
Founder and head of the project "Celestia Origin"

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Post #626by john71 » 28.04.2021, 10:59

Someone should make a game inside Celestia. That would be so cool.

Or maybe we need a special game language, like using *.cgame files to build game environments on planets or in space...

:think:

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Post #627by Georgi » 28.04.2021, 19:41

I can not speak about games but building cities and making artificial civilizations on exoplanets sounds fun. :smile:

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Post #628by john71 » 29.04.2021, 13:01

Methone:

Methone-1.png
Methone-2.png
Methone-3.png


Added after 28 minutes 19 seconds:
Edited version:
Methone-4.png

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Art Blos M
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Post #629by Art Blos » 29.04.2021, 13:42

Methone should be placed horizontally in relation to Saturn.
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Post #630by john71 » 29.04.2021, 14:07

Thanx, bad model orientation I guess...

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trappistplanets
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Post #631by trappistplanets » 29.04.2021, 14:45

john71 wrote:Methone:
look in this thread for my methone texture and a real data methane texture from professional scientists, its way better then what you have, it resembles the photos better
viewtopic.php?f=15&t=21108

here is methone's proper semiaxes

Code: Select all

SemiAxes   [ 2 1.7 1.2 ]


you need no mesh, that semiaxis will do the whole shape job for you because methone is so smooth

with that semiaxis, one bulge should directly face saturn and the other should point away from saturn


if it doen't with the semiaxis i sent you, just
replace the
orbit and rotation blocks with

Code: Select all

EllipticalOrbit
   {
      Epoch      2453177.5   # 2004 Jun 21
      Period      1.00971
      SemiMajorAxis   194251
      Eccentricity   0.001
      Inclination   0.018
      AscendingNode   311.0
      ArgOfPericenter   308.0
      MeanLongitude   154.79
   }

   UniformRotation
   {
      MeridianAngle   -25.21
      Epoch      2453177.5   # 2004 Jun 21
   }
}


Added after 1 minute 42 seconds:
the code is from
moons-regular.ssc witch i think is from Celestia Origin

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Art Blos M
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Post #632by Art Blos » 29.04.2021, 14:53

trappistplanets wrote:moons-regular.ssc witch i think is from Celestia Origin
No. Methone's orbit in CO is much more accurate.

Code: Select all

"Methone:Saturn XXXII:S-2004 S 1" "Sol/Saturn"
{
   Class   "minormoon"
   Texture   "lightasteroid-smooth.dds"
   SemiAxes   [ 1.94 1.29 1.21 ]
   OrbitFrame
   {
      EclipticJ2000   { Center "Sol/Saturn" }
   }
   EllipticalOrbit
   {
      Epoch   2456067.5  # 2012 May 20
      Period   1.009573975
      SemiMajorAxis   194440
      Eccentricity   0.0001
      Inclination   28.060787
      AscendingNode   169.547233
      ArgOfPericenter   346.235329
      MeanAnomaly   16.189134
   }
   UniformRotation
   {
      Epoch   2453177.5  # 2004 Jun 21
      MeridianAngle   335
   }
   LunarLambert   0.5
   Albedo   0.7
   InfoURL   "https://en.wikipedia.org/wiki/Methone_(moon)"
}
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trappistplanets
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Post #633by trappistplanets » 29.04.2021, 15:09

Art Blos wrote:No. Methone's orbit in CO is much more accurate.
okay, what about rotation?

Added after 2 minutes 33 seconds:
methone

methone.jpg


mimas, tethys, and titan from methone
the 3 worlds.jpg

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Post #634by john71 » 29.04.2021, 15:14

It IS the photo.

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trappistplanets
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Post #635by trappistplanets » 29.04.2021, 18:28

john71 wrote:It IS the photo.
it doen't look like it to me, methone is not a object with random purple spots+ methone has some featers that look like cracks
https://upload.wikimedia.org/wikipedia/commons/2/2c/Methone_PIA14633.jpg

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Post #636by john71 » 29.04.2021, 19:30

trappistplanets wrote:it doen't look like it to me

It is the enhanced and color corrected Cassini image of Methone's leading side taken on 20 May 2012.

Added after 57 seconds:
Yep, the same one. I just enhanced it.

Added after 36 minutes 56 seconds:
That's all the information I can get from the picture:

Methone1k.png

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trappistplanets
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Post #637by trappistplanets » 29.04.2021, 21:57

john71 wrote:That's all the information I can get from the picture:
i see some very visible albedo features
Untitled.png


all that staticness and dotty look that you intergreaded into your texture is just imaging artifact altho i could be wrong...

Added after 26 seconds:
oh yeah, i don't think methone is purple....

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Post #638by john71 » 30.04.2021, 05:54

From Wikipedia: Methone has two different sharply defined albedo regions, one distinctly (~13%) darker centered on Methone's leading point.[6] Its brighter area has an albedo of ~0.70.[6] UV and IR spectra gave no indication of a color difference between the two regions, suggesting that a physical rather than compositional difference may be responsible.[6]

This indicates that Methone is composed of icy fluff, material that might be mobile enough to explain the lack of craters.[6][12]

The icy fluff is white or blueish in my opinion.

This is not a ready add-on, so I'm just experimenting.

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Post #639by john71 » 21.05.2021, 14:22

Jupiter new texture:

Jupiter 202105-001.png
Jupiter 202105-002.png
Jupiter 202105-004.png
Jupiter 202105-003.png

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Post #640by bh » 24.05.2021, 16:22

Europa Clipper

clipper.jpg
regards...bh.


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