Pictures from Celestia

General discussion about Celestia that doesn't fit into other forums.
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Gurren Lagann
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Post #721by Gurren Lagann » 29.07.2021, 15:13

Pisces Dwarf stars, with data from the Local Cosmology from Isolated Dwarfs (LCID) project.
unknown-340.png
From the outside.

unknown-177.png
From somewhere in the dense regions.
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john71
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Post #722by john71 » 31.07.2021, 07:55

Jupiter with new texture (even more detail):

Jupiter 2021 07-1.png
Jupiter 2021 07-2.png
Jupiter 2021 07-3.png
Jupiter 2021 07-4.png
Jupiter 2021 07-5.png


Added after 2 hours 43 minutes:
Lake Garda imported from Google using BlenderGIS:

https://github.com/domlysz/BlenderGIS/wiki

Lake Garda-1.png
Lake Garda-2.png
Lake Garda-3.png

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trappistplanets
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Post #723by trappistplanets » 31.07.2021, 12:06

john71 wrote:Jupiter with new texture (even more detail):
is there any juno data in there?
juno has some of the most detailed images of jupiter (and ganymede)

john71
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Post #724by john71 » 31.07.2021, 12:30

trappistplanets wrote:is there any juno data in there?

I used this merged texture:

https://www.planetary.org/space-images/merged-cassini-and-juno

Added after 1 minute 44 seconds:
City of Rome from BlenderGIS:

City of Rome - 1.png
City of Rome - 2.png

john71
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Post #725by john71 » 04.08.2021, 10:24

Europa with specular ice effect:

Europa-ice-1.png
Europa-ice-2.png
Europa-ice-3.png
Europa-ice-4.png

Eric Nelson
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Post #726by Eric Nelson » 04.08.2021, 12:15

john71 wrote:I used this merged texture:

https://www.planetary.org/space-images/merged-cassini-and-juno

Added after 1 minute 44 seconds:
City of Rome from BlenderGIS:
This should be considered as a release in the future, though it needs to work on Earth with its oblateness used.

Added after 2 minutes 2 seconds:
john71 wrote:Jupiter with new texture (even more detail):
Should definitely be considered a future update, though hopefully the resolution's good.
Celestia Origin uses an 8K Jupiter texture.

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Post #727by john71 » 04.08.2021, 13:11

Eric Nelson wrote:This should be considered as a release in the future

I have two problems considering the release of my add-ons:

1.) they are getting better every month, yes, the same ones

2.) I'm lazy to check the legal status of the textures (releasing or distributing them is NOT personal use).

:think:

Added after 3 minutes 42 seconds:
By the way the Jupiter texture is 32k, upscaling is the main trick to get better quality textures.

Eric Nelson
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Post #728by Eric Nelson » 04.08.2021, 15:19

I just learned the best textures are textures that can never be used.

john71
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Post #729by john71 » 04.08.2021, 15:35

Eric Nelson wrote:I just learned the best textures are textures that can never be used.

The situation is not that tragic, but can be annoying.

This is the copyright status of the Jupiter texture:

This work is licensed under a Creative Commons Attribution 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder.

NASA / JPL-Caltech / SSI / Southwest Research Institute / Malin Space Science Systems / Italian Space Agency (ASI) / Italian National Institute for Astrophysics (INAF) / JIRAM / Björn Jónsson

I mean, who has the time for this????

Eric Nelson
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Post #730by Eric Nelson » 04.08.2021, 15:41

Well these textures should've had the copyright issues mentioned ahead of time.

john71
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Post #731by john71 » 04.08.2021, 15:47

Why, if a texture can't be distributed, it can't be shown? It doesn't work like that. A new picture is another piece of "art", which is different from the base texture. The problem is with the distribution of that (edited) base texture.

Eric Nelson
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Post #732by Eric Nelson » 04.08.2021, 15:52

Yes and it would be better to just note everyone about the copyright status in the post about the textures in the first place.

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Post #733by john71 » 04.08.2021, 15:55


I named the source.

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SevenSpheres
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Post #734by SevenSpheres » 04.08.2021, 16:00

john71 wrote:This is the copyright status of the Jupiter texture:

This work is licensed under a Creative Commons Attribution 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder.

NASA / JPL-Caltech / SSI / Southwest Research Institute / Malin Space Science Systems / Italian Space Agency (ASI) / Italian National Institute for Astrophysics (INAF) / JIRAM / Björn Jónsson

I mean, who has the time for this????

Creative Commons Attribution 3.0 Unported

The license allows you to redistribute the texture as long as you give credit to the original author.

Added after 2 minutes 34 seconds:
Eric Nelson wrote:I just learned the best textures are textures that can never be used.

No one said that, and as said above it's not true.

Eric Nelson wrote:Well these textures should've had the copyright issues mentioned ahead of time.
Eric Nelson wrote:Yes and it would be better to just note everyone about the copyright status in the post about the textures in the first place.

There wasn't a download link for the texture or anything, just an image of it, and he did provide the link to the original source.
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john71
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Post #735by john71 » 04.08.2021, 16:04

SevenSpheres wrote:The license allows you to redistribute the texture as long as you give credit to the original author.

OK, but as I said, I don't have the time to sort it out with every layer and every piece of image I used.

Added after 1 minute 10 seconds:
I think most NASA images are free, but you have to check this too. I don't have time for this right now.

Added after 1 minute 10 seconds:
And my main reason is this:

john71 wrote:I have two problems considering the release of my add-ons:

1.) they are getting better every month, yes, the same ones

Eric Nelson
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Post #736by Eric Nelson » 04.08.2021, 17:15

Of course, credit is what's needed, and it makes more than perfect sense.
It's logical.

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trappistplanets
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Post #737by trappistplanets » 04.08.2021, 20:19

Eric Nelson wrote:Of course, credit is what's needed, and it makes more than perfect sense.
200% true
credit is always needed so a artist does not think you just stole there work

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Post #738by Eric Nelson » 07.08.2021, 06:08

For sure.

Added after 15 minutes 25 seconds:
CZ Hydrae
Using nessun's RSG addon https://celestia.space/forum/viewtopic.php?f=6&t=20398 for realism.
CZ Hydrae, an M-type red supergiant located in the constellation Hydrus.
It's located 560 ly from Sol and estimated to be 986 x Sol's radius and is one of the coolest stars known to man, with a surface temperature of only 2000K.

Added after 2 hours 9 minutes:
HV 986
HV 986, an M4I-b red supergiant in the Large Magellanic Cloud.
Its radius is currently estimated to be 1010 x Sol's or 1% above 1000 solar radii.

Added after 6 minutes 42 seconds:
HD 167861
HD 167861, an M1 red supergiant 2.7261 kpc from Sol, currently estimated at 1016 x Sol's radius.

Added after 3 minutes 6 seconds:
AS Cephei
AS Cephei, an M3I-b red supergiant 3.0656 kpc from Sol in the constellation Cepheus.
Its radius is currently estimated to be 1026 x Sol's.

Added after 30 minutes 28 seconds:
V358 Cassiopeiae
V358 Cassiopeiae, an M3I-a0 red hypergiant 3.659 kpc from Sol in the constellation Cassiopeia.
Despite its hypergiant status, it's only 1043 x Sol's radius based on current estimates, making it the second largest known member of Cassiopeia.

Added 07.08.2021, 09:03:
IRAS 04509-6922
IRAS 04509-6922, an M red supergiant in the Large Magellanic Cloud.
It's estimated to be 1360 x Sol's radius and is located 51.643 kpc from Sol.
Attachments
IRAS 04509-6922.png
IRAS 04509-6922, an M-class red supergiant 51.643 kpc from Sol, in the Large Magellanic Cloud.
V358 Cassiopeiae.png
V358 Cassiopeiae, an M3I-a0 red hypergiant in Cassiopeia.
as cep.png
AS Cephei, an M3I-b red supergiant in Cepheus.
hd 167861.png
HD 167861, an M1 red supergiant 2.2761 kpc from Sol.
hv 986.png
HV 986, an M4I-b red supergiant in the Large Magellanic Cloud.
cz hya.png
CZ Hydrae, an M-type red supergiant in Hydrus.
Its low surface temperature of 2000K makes it one of the coolest stars known to man.
Last edited by Eric Nelson on 07.08.2021, 11:16, edited 3 times in total.

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trappistplanets
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Post #739by trappistplanets » 07.08.2021, 11:01

john71 wrote:Europa with specular ice effect:
how did you know what would be reflective on europa's surface, and what bump map are you using??

john71
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Post #740by john71 » 07.08.2021, 11:51

trappistplanets wrote:how did you know what would be reflective on europa's surface, and what bump map are you using??

NASA base texture -> Gimp -> upscale to 16k -> G'MIC QT effects -> v001 Filters Generic Normal map -> v002 Colors Treshold -> specular map.


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