IPB

Welcome Guest ( Log In | Register )

6 Pages V   1 2 3 > »   
Reply to this topicStart new topic
Neptunian System Imaging
machi
post Oct 11 2010, 09:30 AM
Post #1


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



Neptune from Voyager 2. Color is from images with CH4JS, green and orange filter.
Shadows of three moons are visible.
Second image is with possible interpretation.
Attached thumbnail(s)
Attached Image
Attached Image
 


--------------------
Go to the top of the page
 
+Quote Post
Stu
post Oct 11 2010, 09:32 AM
Post #2


The Poet Dude
****

Group: Moderator
Posts: 5551
Joined: 15-March 04
From: Kendal, Cumbria, UK
Member No.: 60



Yes!!! smile.gif I was hoping you'd focus your imaging magic towards Neptune!


--------------------
Go to the top of the page
 
+Quote Post
machi
post Oct 11 2010, 09:54 AM
Post #3


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



It was only matter of time. smile.gif


--------------------
Go to the top of the page
 
+Quote Post
tedstryk
post Oct 11 2010, 09:58 AM
Post #4


Interplanetary Dumpster Diver
****

Group: Admin
Posts: 4404
Joined: 17-February 04
From: Powell, TN
Member No.: 33



Beautiful! I have also worked with these images and interpreted the moon you considered Galatea to be Naiad, but other than that I agree with your interpretation.
Edit: One other question: Which color did you use the CH4JS filter for? It is even redder than the orange filter, but from your listing order it seems like you used it as blue.


--------------------
Go to the top of the page
 
+Quote Post
machi
post Oct 11 2010, 10:25 AM
Post #5


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



CH4JS (with reduced contrast) was used as red color. Another ones: Orange -> green, green -> blue.
So this is false color, but corrected to approximately true color.


--------------------
Go to the top of the page
 
+Quote Post
tedstryk
post Oct 11 2010, 10:44 AM
Post #6


Interplanetary Dumpster Diver
****

Group: Admin
Posts: 4404
Joined: 17-February 04
From: Powell, TN
Member No.: 33



That makes good sense. I interpreted too much from the order you listed the filters.


--------------------
Go to the top of the page
 
+Quote Post
Ian R
post Oct 11 2010, 04:46 PM
Post #7


Lord Of The Uranian Rings
***

Group: Members
Posts: 798
Joined: 18-July 05
From: Plymouth, UK
Member No.: 437



Aaaahh... Neptune! I recall taping any mention of the Voyager 2 flyby on TV as a rather eager seven year-old.

Great picture Daniel.


--------------------
Go to the top of the page
 
+Quote Post
nprev
post Oct 11 2010, 04:54 PM
Post #8


Merciless Robot
****

Group: Admin
Posts: 8783
Joined: 8-December 05
From: Los Angeles
Member No.: 602



ohmy.gif ...wow!


--------------------
A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
Go to the top of the page
 
+Quote Post
Stu
post Oct 11 2010, 04:58 PM
Post #9


The Poet Dude
****

Group: Moderator
Posts: 5551
Joined: 15-March 04
From: Kendal, Cumbria, UK
Member No.: 60



Just so you know Machi, that new image will make its Outreach debut tonight, here in Kendal, in a talk being given to the 10th Kendal Cubs! (all ten of them!) smile.gif


--------------------
Go to the top of the page
 
+Quote Post
Ian R
post Oct 11 2010, 08:23 PM
Post #10


Lord Of The Uranian Rings
***

Group: Members
Posts: 798
Joined: 18-July 05
From: Plymouth, UK
Member No.: 437



Are these the famous shadow-casting cirrus clouds, I wonder?

Attached Image



--------------------
Go to the top of the page
 
+Quote Post
ngunn
post Oct 11 2010, 08:48 PM
Post #11


Senior Member
****

Group: Members
Posts: 3516
Joined: 4-November 05
From: North Wales
Member No.: 542



I can't help noticing similarity between clouds on Titan and the ones in that Voyager view of Neptune. In particular the biggest Neptune cloud with its north-south branch does resemble somewhat the big cloud recently seen on Titan. In general, and in both cases, the clouds cover only a small fraction of the globe and are predominantly in the form of long east-west streaks. Of course so much else about the two worlds is so very different. I have no idea whether the morphological similarity signifies anything interesting.

Go to the top of the page
 
+Quote Post
machi
post Oct 11 2010, 08:56 PM
Post #12


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



I'm not expert about clouds, so I don't know exactly if it's cirrus, but these are real clouds encircling Neptune's pole.
One of my future image will show this region with higher resolution.


--------------------
Go to the top of the page
 
+Quote Post
machi
post Oct 13 2010, 03:08 PM
Post #13


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



Neptune with cirrus clouds swirling around south pole.
Slightly differences in color are caused by different kinds of filtered images (CH4JS, clear, violet and CH4JS, orange, clear).
Attached thumbnail(s)
Attached Image
 


--------------------
Go to the top of the page
 
+Quote Post
antipode
post Oct 13 2010, 09:15 PM
Post #14


Member
***

Group: Members
Posts: 314
Joined: 1-October 06
Member No.: 1206



Really enjoying this thread Machi.

At the time these images were first released I'd been backpacking through Europe for months and had totally forgotten about the Voyager Neptune encounter. One day on the streets of Paris I saw this incredible blue disk staring back at me from a news stand. I remember just standing there staring at it for ages - I just couldn't believe how compelling and unexpected all that atmospheric structure was!

Now - back to that last image. Can I see a small bright/dark vortex thingy at the pole? Might we be looking at a miniature version of Saturn's 'evil eye'?

P

p
Go to the top of the page
 
+Quote Post
machi
post Oct 13 2010, 10:16 PM
Post #15


Member
***

Group: Members
Posts: 796
Joined: 27-February 08
From: Heart of Europe
Member No.: 4057



"Really enjoying this thread"

I am glad to hear that. tongue.gif

"Can I see a small bright/dark vortex thingy at the pole? Might we be looking at a miniature version of Saturn's 'evil eye'?"

Maybe this little animation (1 frame = 5sec real time) give answer:
Attached File(s)
Attached File  NSP25f5s.avi ( 915.82K ) Number of downloads: 2359
 


--------------------
Go to the top of the page
 
+Quote Post

6 Pages V   1 2 3 > » 
Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 19th March 2024 - 11:24 AM
RULES AND GUIDELINES
Please read the Forum Rules and Guidelines before posting.

IMAGE COPYRIGHT
Images posted on UnmannedSpaceflight.com may be copyrighted. Do not reproduce without permission. Read here for further information on space images and copyright.

OPINIONS AND MODERATION
Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators.
SUPPORT THE FORUM
Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member.