IPB

Welcome Guest ( Log In | Register )

27 Pages V  « < 24 25 26 27 >  
Reply to this topicStart new topic
Rosetta - Post Separation Ops at Comet 67P C-G, November 14, 2014 -
chuck0
post Oct 1 2016, 10:29 AM
Post #376


Junior Member
**

Group: Members
Posts: 30
Joined: 16-November 14
Member No.: 7323



(edit)
moved the post into correct thread.
(edit)

Anyways, this was really an exciting mission to watch since it was so dynamic!
Go to the top of the page
 
+Quote Post
ollopa
post Oct 1 2016, 10:59 PM
Post #377


Member
***

Group: Members
Posts: 106
Joined: 25-November 04
From: Dublin, Ireland
Member No.: 113



QUOTE (Tom Tamlyn @ Sep 30 2016, 10:48 PM) *
The OSIRIS reference paper, posted here, says this about the wide angle camera:

On <ahem> April 1 of this year, the OSIRIS team posted an image of the principal investigator taken by the wide angle camera’s ground reference unit at a distance of 15 meters: https://planetgate.mps.mpg.de/Image_of_the_...016-04-01a.html

To my eye the test image looks less fuzzy than the actual final image, but the test image might not have been compressed, and of course the conditions and subject matter were different.

Congratulations and thanks to the team, and to the people who wrote about the mission for us.



I think you may be making an interesting point (prepare for lay-person reporting). I know nothing about imaging, but Holger did say yesterday that he was surprised that the last image was somewhat more in focus than the immediate predecessors. He seemed to say that they did not really know the effect of removing the filters and would need to look at this to understand the last few frames.
Go to the top of the page
 
+Quote Post
mcaplinger
post Oct 1 2016, 11:34 PM
Post #378


Senior Member
****

Group: Members
Posts: 2504
Joined: 13-September 05
Member No.: 497



QUOTE (Tom Tamlyn @ Sep 30 2016, 02:48 PM) *
To my eye the test image looks less fuzzy than the actual final image...

There's no reason to think that their ground unit is focused identically to the flight unit, especially for distances well inside the requirements.


--------------------
Disclaimer: This post is based on public information only. Any opinions are my own.
Go to the top of the page
 
+Quote Post
wildespace
post Oct 2 2016, 10:46 AM
Post #379


Member
***

Group: Members
Posts: 238
Joined: 15-January 13
Member No.: 6842



Sleep well, Rosetta, we will miss you. smile.gif

Attached Image


I particularly love this descent image Rosetta took (enhanced by Ted Stryk)

Attached Image


Could somebody please "drop" an astronaut into this image, for scale reference, just like it was done with MSL pictures.


--------------------
Go to the top of the page
 
+Quote Post
Paolo
post Oct 2 2016, 12:00 PM
Post #380


Senior Member
****

Group: Members
Posts: 1729
Joined: 3-August 06
From: 43° 35' 53" N 1° 26' 35" E
Member No.: 1004



QUOTE (wildespace @ Oct 2 2016, 12:46 PM) *
Could somebody please "drop" an astronaut into this image, for scale reference, just like it was done with MSL pictures.


the pixel scale, according to ESA, is about 30 cm/pixel, so the astronaut would be about 6 pixels tall
Go to the top of the page
 
+Quote Post
Phil Stooke
post Oct 2 2016, 04:02 PM
Post #381


Solar System Cartographer
****

Group: Members
Posts: 10127
Joined: 5-April 05
From: Canada
Member No.: 227



https://www.reddit.com/r/space/comments/55a...nts_a_human_to/


Someone already did this (the tiny red line is on top of the cliff).

Somewhere there's a picture of this with the ISS to scale, but I can't find it right now.

Phil


--------------------
... because the Solar System ain't gonna map itself.

Also to be found posting similar content on https://mastodon.social/@PhilStooke
NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain)
Go to the top of the page
 
+Quote Post
alex_k
post Oct 4 2016, 01:52 PM
Post #382


Junior Member
**

Group: Validating
Posts: 83
Joined: 14-October 14
Member No.: 7282



An attempt to process the last Rosetta's image

Attached Image
Go to the top of the page
 
+Quote Post
Spock1108
post Oct 4 2016, 06:32 PM
Post #383


Junior Member
**

Group: Members
Posts: 22
Joined: 13-November 15
Member No.: 7840



Inspired by the work of Roman Tkachenko I made this photo where I compare the size and details of the various photos in high resolution taken during the Rosetta-Philae mission. As we can see the latest pictures of Rosetta it is much closer to those taken by philae landed it during the descent ....

Go to the top of the page
 
+Quote Post
chuck0
post Oct 4 2016, 07:47 PM
Post #384


Junior Member
**

Group: Members
Posts: 30
Joined: 16-November 14
Member No.: 7323



These sharpened images (as well as Philaes descent sequence) show pretty nicely how the stuff which looks like sand from far away is more like rubble close up.
Go to the top of the page
 
+Quote Post
Roman Tkachenko
post Oct 7 2016, 09:45 AM
Post #385


Junior Member
**

Group: Members
Posts: 80
Joined: 18-October 15
From: Russia
Member No.: 7822



QUOTE (Spock1108 @ Oct 4 2016, 10:32 PM) *
Inspired by the work of Roman Tkachenko I made this photo where I compare the size and details of the various photos in high resolution taken during the Rosetta-Philae mission.


Great job!


--------------------
Go to the top of the page
 
+Quote Post
scalbers
post Sep 29 2017, 10:52 PM
Post #386


Senior Member
****

Group: Members
Posts: 1621
Joined: 5-March 05
From: Boulder, CO
Member No.: 184



And an unexpected final image was recently gleaned from the telemetry.

http://www.esa.int/Our_Activities/Space_Sc...ge_from_Rosetta


--------------------
Steve [ my home page and planetary maps page ]
Go to the top of the page
 
+Quote Post
atomoid
post Oct 31 2017, 11:22 PM
Post #387


Member
***

Group: Members
Posts: 866
Joined: 15-March 05
From: Santa Cruz, CA
Member No.: 196



Sky@night article i must have missed that incredible Rosetta image taken on 7/3/2016, better yet, research deepens the mystery suggesting the plume is not mere sublimation of an icepack, but due to '..Possible scenarios include the release of pressurized gas stored below the surface or the conversion of one kind of frozen water into an energetically more favorable one.."
Go to the top of the page
 
+Quote Post
Hungry4info
post Jun 21 2018, 09:56 PM
Post #388


Senior Member
****

Group: Members
Posts: 1414
Joined: 26-July 08
Member No.: 4270



Excellent news! The images from the rest of the Post-Landing phase of the mission have been posted to the Rosetta archive. They include the final descent imagery.

https://imagearchives.esac.esa.int/index.php?/category/81


--------------------
-- Hungry4info (Sirius_Alpha)
Go to the top of the page
 
+Quote Post
Sean
post Jun 21 2018, 10:30 PM
Post #389


Member
***

Group: Members
Posts: 923
Joined: 10-November 15
Member No.: 7837



Some mosaics assembled from the recent batch...






Details...




Filled in small gaps in the data & stitch repairs.

Frame interpolation sequence... [click thru for a video]


4k60 version on Youtube









--------------------
Go to the top of the page
 
+Quote Post
Explorer1
post Jun 22 2018, 03:57 AM
Post #390


Senior Member
****

Group: Members
Posts: 2073
Joined: 13-February 10
From: Ontario
Member No.: 5221



Very nice as usual! I think the lower right of this image has what I noticed back during the mission, a possible impact crater candidate (albeit almost filled in) and maybe the only one on the whole nucleus? It's much more circular than the other depressions. Plausible?

A little postscript to Philae: it is faintly visible in this image from August 30th, 2016.
Go to the top of the page
 
+Quote Post

27 Pages V  « < 24 25 26 27 >
Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 28th March 2024 - 01:46 PM
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.