OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
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OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
From NASA:
"NASA is working to resolve an issue with the payload computer on the Hubble Space Telescope. The computer halted on Sunday, June 13, shortly after 4 p.m. EDT."
https://hubblesite.org/contents/news-re ... s-2021-035
smp
"NASA is working to resolve an issue with the payload computer on the Hubble Space Telescope. The computer halted on Sunday, June 13, shortly after 4 p.m. EDT."
https://hubblesite.org/contents/news-re ... s-2021-035
smp
Stephen
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
From Space.com:
"Hubble Space Telescope sidelined by issue with its 1980s computer"
https://www.space.com/hubble-telescope- ... d-computer
smp
"Hubble Space Telescope sidelined by issue with its 1980s computer"
https://www.space.com/hubble-telescope- ... d-computer
smp
Stephen
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Another article from SciTechDaily.com:
"NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer"
https://scitechdaily.com/nasa-struggles ... -computer/
smp
"NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer"
https://scitechdaily.com/nasa-struggles ... -computer/
smp
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
64k huh? Same as a commodore 64. I'm also reminded of the HAL 9000....smp wrote: ↑Mon Jun 21, 2021 1:10 pm Another article from SciTechDaily.com:
"NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer"
https://scitechdaily.com/nasa-struggles ... -computer/
smp
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Have they tried unplugging it and plugging it back in?
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
The radiation-hardened processors tended to be 8-bit back then. MIL-STD-1750A was 16-bit, but I'm not sure if it was mature enough back then. The testing of processors for aerospace is huge task. The more complex the chip, the bigger task the testing is. And then there is current consumption...helicon wrote: ↑Mon Jun 21, 2021 1:17 pm64k huh? Same as a commodore 64. I'm also reminded of the HAL 9000....smp wrote: ↑Mon Jun 21, 2021 1:10 pm Another article from SciTechDaily.com:
"NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer"
https://scitechdaily.com/nasa-struggles ... -computer/
smp
"Daisy, Daisy give me your answer true...I'm half crazy for all for the love of you...
And due to the extensive testing, the radiation-hardened chips are very expensive. Think about it: if a couple of engineers run tests for, say, 2 years, and then 20 pieces are sold...
I was in a project where we made an independent dependability study for MSG (Meteosat Second Generation) satellite platform. I got to read Ada code and MIL-STD-1750A assembly code.
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
From NPR.org:
"Hubble Trouble: NASA Can't Figure Out What's Causing Computer Issues On The Telescope"
https://www.npr.org/2021/06/23/10095673 ... he-telesco
A couple of days late, but new to me...
smp
"Hubble Trouble: NASA Can't Figure Out What's Causing Computer Issues On The Telescope"
https://www.npr.org/2021/06/23/10095673 ... he-telesco
A couple of days late, but new to me...
smp
Stephen
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Its had a good run, after an inauspicious debut. Its looking more and more like the story is coming to a close however.
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
This is sad - I hope they can figure it out and get it running again.
-- Brett
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Hi Stephen. Thanks for your news links to the computer problem with the Hubble ST. This is very old technology, and as the last article said, it is not like putting the computer on a bench and running tests. Since the pace shuttle fleet has since been retired, this is not going to be an easy fix, if at all possible from ground control. This is just yet another reason why we need to get the James Webb ST launched as soon as possible. Thanks for your astronomy news updates Stephen, and the best of regards.
Marshall
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Space X Needs to figure out a way of attaching a "Canada Arm" to its capsule and send Mark Kelly and a couple real astronauts up there to fix it.
Joking of course, but I can dream.
Joking of course, but I can dream.
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Maybe Starman can fix it, or even Elon Musk in a spacesuit.
-Michael
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
A new article from SpaceNews.com:
"NASA taking “careful and deliberate” approach to repairing Hubble computer"
https://spacenews.com/nasa-taking-caref ... -computer/
smp
"NASA taking “careful and deliberate” approach to repairing Hubble computer"
https://spacenews.com/nasa-taking-caref ... -computer/
smp
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
So they still think it might be recoverable so that's hopeful at least.
Any metaphor will tear if stretched over too much reality.
Gary C
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Does the HST have de-orbit capability? I don't think that was a requirement 30 years ago. If it does, they could drop it to a lower orbit, rendezvous with it, fix it, refuel it, and boost it back up to its proper orbit.
[edit]
Here we go: https://www.nasa.gov/mission_pages/hubb ... index.html
[edit]
Here we go: https://www.nasa.gov/mission_pages/hubb ... index.html
Depending on the nature of the "device", a repair might not be impossible.Servicing Mission 4 (SM4): May 11-24, 2009
... Additionally, a device was attached to the base of the telescope to facilitate de-orbiting when the telescope is eventually decommissioned.
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
I hope they can get it functional since I am not confident that JWST is actually going to go up when they say it is going to. It hasn't yet, why start now?
-- Brett
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
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Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Looks like they think it is the Power Supply Unit - they've started today bringing the back of that online - it will take days.
https://www.cnn.com/2021/07/15/world/hu ... index.html
https://www.cnn.com/2021/07/15/world/hu ... index.html
-- Brett
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
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List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Hope it works out well!
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
- Graeme1858
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Re: OPERATIONS UNDERWAY TO RESTORE PAYLOAD COMPUTER ON NASA'S HUBBLE SPACE TELESCOPE
Thanks Brett.
It would be brilliant if they get it sorted. There were plans to use theHST and the JWST together for a while.
Regards
Graeme
It would be brilliant if they get it sorted. There were plans to use the
Regards
Graeme
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
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