Questions tagged [camera]

Questions about imagery devices on spacecraft and probes.

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5
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1answer
71 views

How to make a camera survive in (near) space?

I'm working on project for a high altitude camera suspended from a weather balloon in order to approximately simulate spaceflight. I'm wondering how can I make a camera survive and continue to operate?...
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1answer
85 views

How is the atmosphere in the pressurized housing of ISS' HDEV cameras managed? Outgassing addressed?

This answer says: The ISS live feed uses the cameras of the HDEV experiment. This is a group of four cameras in a pressurized housing attached to the outside of the ISS. A hermetically sealed ...
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2answers
185 views

Have optical zoom systems been used in space exploration?

Here, 'optical zoom' means an optical system that changes magnification (angle subtended per pixel). It would not mean for example switching from one camera to another on Hubble, or changing to ...
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1answer
247 views

What are these mysterious white star-like dots near MU69 Ultima Thule? Real objects near the asteroid, noise, cosmic rays, or something else?

NOTE: I think either possibility suggested below is possible, I'm not looking for arguments why one of them would be your favorite like this answer. Instead, I'm looking for a fairly conclusive answer;...
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How are fixed exposure cameras calibrated on earth for space lighting?

How are cameras that have a fixed exposure/gain calibrated/tested on earth for space lighting? I'll further explain with a hypothetical example of what I mean: ISRO launches a Mars-bound planetary ...
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Camera costings for Opportunity/Spirit/Curiosity rovers

I'm currently working on a project investigating the practicalities of a Mars Sample Retrieval rover, as part of my qualification. My area of concern is command/control, and I am struggling to find a ...
5
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1answer
149 views

How many Lunar Surface Hasselblad cameras were left on the Moon?

There were six Apollo missions that landed on the Moon. Each mission was equipped with at least two Lunar Surface Hasselblad cameras left on the lunar surface before ascent. But the total number of ...
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3answers
293 views

Why doesn't New Horizons have a tracking function

Dr. John Spencer mentioned in the live feed for the Ultima Thule flyby they're taking a series of LORRI shots along a precomputed path hoping to capture the KBO. What were the obstacles to equip the ...
19
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1answer
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How did NASA get the video camera on the Moon to track the LM ascent stage, considering the substantial delay?

The Moon's distance can be as much as about 406,000 km from Earth. That's a round trip light time of roughly 2 x 406,000 / 300,000 = 2.7 seconds or more, depending on how the signal was relayed to ...
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2answers
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Is the Curiosity rover equipped with motion detectors?

On Earth, wild life cameras are sometimes equipped with motion detectors to record rare species automatically. Could they not be applied in the case of Mars too ? Is Curiosity not equipped with ...
2
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1answer
152 views

How good are Lucy's cameras? Improvements since New Horizons?

In the question Where is Lucy going? (asteroid mission) I've asked for more clarification on the trajectory of the Lucy mission's trajectory. I believe that Lucy will simply do a close fly-by of each ...
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51 views

What would be the equivalent camera performance specification of Earth-imaging satellites, compared to consumer DLSRs?

In order to better understand what Earth imaging cameras are like (as seen in Google Earth) from the point of view of a photographer, I've asked the following. Consumer-grade cameras like DSLRs, ...
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1answer
85 views

How are cameras arranged and used to monitor activities outside the ISS?

Questions like Does the ISS have zenith-facing windows? and also Does the ISS have any ability to detect or sense unexpected/unscheduled objects in close proximity? have also been asked about ways to ...
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2answers
98 views

What kind of Visual Sensors are employed aboard Rockets?

Cameras are the most common form of visual sensors and I usually see one strapped on the side of the stages as well as inside the separation module to show the separation of the rocket stages. What ...
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177 views

Do we have a photo of a micrometeorite impact on a lens?

Micrometeorite and debris impacts on orbital spacecraft pose a threat to systems and crew. For example, a high velocity impact caused this chip in the International Space Station's Cupola. The ISS ...
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How much would the James Webb Telescope have cost of they made two or ten of them instead for example? [duplicate]

How much could you cut the price by "mass" producing (at least more than one sample) explorer spacecraft (Galileo, Cassini, New Horizon, Dawn...), space telescopes (Kepler, TESS...) and satellites? ...
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1answer
154 views

Did IMAX pay to have their cameras in space?

There have been several IMAX movies filmed either partially, or wholly while in orbit around the earth. Some of these include the Space Station, Hubble, and several in general about the space shuttle....
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2answers
216 views

Film emulsion on the moon-were the cameras heated?

Re: moon photos : What prevented the film emulsion in the camera used on the moon from freezing and cracking, or simply becoming insensitive from cold? Is film resistant to such extreme cold? What ...
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1answer
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Starman and Roadster: Position and camera [closed]

We have a camera showing Starman, but no way to have the position ? At least distance from earth ? How long till the camera stops or is out of range ?
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2answers
2k views

Where are cameras mounted on the 'Starman' payload of today's F-H launch?

Where are the cameras on the Starman mounted? I see it (the entire payload) is a small engine with the roadster mounted on top of it. There are camera shots of the nozzle of the payload, of the ...
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9answers
4k views

Was the side booster footage from the same camera during the Falcon Heavy test flight stream?

Chat has once again led me to ask a question. Geoffc suggest that the "two bottom feeds were from the same camera" as they aimed at the same landing site. I then started to collect some images to see ...
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614 views

Why are CCD cameras still used, not CMOS for live view from the rocket?

I watched the start of the CRS-13 and the view of the engine and other elements of the rocket are shown from CCD cameras in sd. The resolution ok, does not have to be large but why is it still used ...
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1answer
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How does Voyager take pictures in space?

Voyager launched in the 70s. At that time, modern CCD or CMOS image sensor may not have been available. So how does Voyager take pictures in space, digitize the image and send it back to us? The ...
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149 views

What accounts for the signal delay from cameras on the Falcon 9?

On the last few webcasts, SpaceX has shown video from both ground tracking cameras and the on-board camera side-by-side, and there's a noticable delay between the two, with the on-board camera being ...
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1answer
188 views

How could the recently explained “glints” seen by DSCOVR appear so compact considering the finite size of the sun?

The discussion section of the very recent, on-line-available Terrestrial glint seen from deep space: oriented ice crystals detected from the Lagrangian point Alexander Marshak, Tamás Várnai and ...
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1answer
493 views

Now what do we think? Is this purple dot really caused by Cassegrain optics and coherent backscattering?

EDIT: The stories in Phys.org NASA's EPIC view spots flashes on Earth and Live Science Mysterious Light Flashes 1st Spotted by Carl Sagan Explained seems to have information potentially relevant to ...
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416 views

Why not a digital camera?

Why do we not add an everyday (with some modifications for protection obviously) digital camera to spacecraft so that we can get a (semi) truecolor image of what they are seeing? I was reading about ...
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2answers
405 views

Building a ultra-small almost space vehicle

I'm quite interested in small rockets-balloons that can reach more than 50km, thus I want to build one myself (With my school financial support). I just want it to carry like a 350g-450g equipment. ...
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How was it possible for the Apollo 11 to film and take pictures with such radiation?

There's plenty of people who said it would have been impossible for the astronauts in the Apollo 11 to film or take pictures in the moon due to the high radiation there's in the moon because of the ...
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1answer
999 views

How is JunoCam different from a normal CCD camera?

JunoCam has tweeted us! More background from the BBC. It is supposed to have several features that help allow it to work in the high radiation and magnetic fields it will experience during each ...
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1answer
188 views

What did New Horizons photograph that was close enough to be out of focus?

The picture below shows a Kuiper Belt object and a number of stars. It was recently taken by the New Horizons probe and published by NASA. The arrow points at the KBO and the rest of the bright ...
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2answers
465 views

Will the James Webb telescope have any visible spectrum cameras?

The telescope itself will operate in wavelengths from 0.6 µm (orange) to 28.5 µm (mid-infrared), so it reaches a bit into the visible spectrum, but it's still going to be aimed away from Earth, and ...
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1answer
348 views

Does the JWST have a camera to monitor its deployment progress?

The James Webb Space Telescope has a complicated deployment sequence. Beyond data from sensors aboard the spacecraft, does it have any cameras to take pictures of the process?
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556 views

Has there ever been a go-pro satellite?

Since go-pros are very popular and you see them everywhere, has anyone sent them to space orbiting? Or any plans?
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1answer
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What was the distant bright light in the SpaceX webcast of Orbcomm OG2 deployment?

As I was watching the SpaceX launch today on YouTube, I have noticed a bright distant light as the satellites were being deployed. What was that light? Also, after each deployment there was something ...
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3answers
1k views

Why do New Horizons and Dawn have such different imagers/cameras aboard?

I asked this in other boards but no one could give me answers. So, can someone tell me: Why can New Horizons (which is older than Dawn) take photos in a way higher resolution than Dawn can (NH: 70m/...
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1answer
735 views

How is satellite data used to find drug crops?

Almost all leaves are a pretty similar shade of green, and from the altitude of a satellite a single pixel must be bigger than a whole bush. Yet satellite imagery has become central to detecting ...
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1answer
1k views

Cassini's camera continuum band filters

In The Pod Bay, we were talking about some pictures that Cassini took of Enceladus recently. We were discussing the calibration pictures and the filters that the spacecraft uses. A NASA FAQ page for ...
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1answer
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Why is there a purple dot in the middle of this EPIC image?

On 29 July 2015, NASA released a second image from the Earth Polychromatic Imaging Camera (EPIC) on the Deep Space Climate Observatory (DSCOVR) satellite: If you zoom in on the full image, you will ...
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1answer
156 views

Is New Horizons capable of making natural color photos?

As far as I know, LORRI is panchromatic (black-and-white) and Ralph has red, blue and two infrared filters but no green filter. As such, I wonder whether New Horizons is capable of making natural ...
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1answer
614 views

Why does Falcon 9 carry a camera on the first stage?

Aside from providing pretty pictures for the media and public what purpose does the camera on the first stage of the Falcon 9 serve? Is it actually used by controllers or engineers to gain ...
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2answers
11k views

Why aren't the ISS HDEV cameras left on at night?

When watching the ISS HD Earth Viewing Experiment, I realized that they turn the cameras off when the ISS enters night. How often are they turned off when its dark? How come they aren't left on?
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Will Voyager 1 or 2 be able to take photos?

Will Voyager 1 or Voyager 2 be able to take a photo of their current view, using their cameras and send the photo to Earth? Do they have the power to do this?
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1answer
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How do they get up-close views of far away spacecraft after launch?

I was watching the most recent Antares rocket launch. While I was watching it, I saw extreme close up video when it was even T+5 or T+7 minutes, when it was very far away from Earth. This was not the ...
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1answer
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Who installed the camera on the Moon to film the “First step”?

On Wikipedia page on Moon landing, Neil Armstrong is shown stepping down on the surface of the Moon using the spaceship's ladder:        Still frame from a video ...
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1answer
115 views

How is WISE continuing to work without coolant?

In October 2010, the Wide-field Infrared Survey Explorer (WISE) ran out of the coolant it needs for its IR detectors to work, so it's mission ended. In August 2013, NASA powered up WISE again with a ...
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743 views

Would a fractal-like pattern be a better calibration target?

PearsonArtPhoto's answer on "What's the coin on the Curiosity rover?" brought to mind the possibility of using a fractal-like image that could combine scale and color calibration functions and would ...
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What's the coin on the Curiosity rover?

The image above was taken from the Curiosity rover (I hope). There appears to be a coin in the image. Is that really a coin or some kind of button? Is it really present on the rover? If it is ...
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What's the highest resolution camera orbiting Mars as of 2013?

There are many cameras currently orbiting Mars, taking pictures of rocks and sand and things. What is the highest (in the visible spectrum) sensor resolution of these? Are there higher res ones ...
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3answers
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Why are there no video transmissions from the Moon and Mars?

There is one new project, like Google Maps, which would be an online video transmission of the Earth's surface from a satellite: http://www.urthecast.com/ Another good one is a web cam situated on ...