Questions tagged [photography]

Questions on taking images in space or of spacecraft.

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2
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1answer
138 views

Puzzler; what can we learn about the distance and direction of Earth from this cool SpaceX-tweeted image of Earth and a vacuum nozzle?

The 18-June-2021 Spacex-tweeted below says: View from Falcon 9's second stage Merlin Vacuum engine There is information out there about the approximate exit diameter and length of the nozzle and ...
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1answer
207 views

Why shadows of the blades on Ingenuity navcam photos looks brighter than shadows of the legs?

Consider this photo from the Ingenuity navcam on the first (?) flight: You can see that the shadows of the blades seem brighter than the shadows of the legs. It's especially noticeable when they ...
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1answer
159 views

Where is the uncropped version of this cool Ingenuity navigation camera GIF?

Ingenuity's Shadow During Third Flight shows the GIF below which is made from cropped bits from several downward-looking images from Ingenuity's navigation camera, stretched so that the ground is ...
12
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3answers
174 views

What image compression algorithm did the Voyagers use?

Recently, Reed-Solomon error correction codes were discussed: How is stacking oranges in 24 dimensions related to receiving and decoding signals from the Voyagers? Whilst the craft were between ...
12
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1answer
581 views

How did Ingenuity get such a sharp image of the shadow of its own high-speed helicopter blades?

On the NASA released self-picture of Ingenuity, shot while hovering over Mars' surface the shadow of Ingenuity with its blades is very clean. The rotational speed of the blades is said to be around ...
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1answer
142 views

Viking 1 - Cydonia Face on Mars Photograph Multitudinal Black Dots

The "Face on Mars" photograph taken by Viking 1 in 1976 of the Cydonia region on Mars has multitudinal similar sized small dots in a seemingly random pattern all over it. Are all those dots ...
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Did JUNO adjust it's orbit in order to fly over Clyde's spot again?

Phys.org's Juno returns to 'Clyde's Spot' on Jupiter says: The feature is informally named for amateur astronomer Clyde Foster of Centurion, South Africa, who discovered it in 2020 using his own 14-...
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2answers
137 views

Were photographs or optical measurements of orbital craft from the ground ever used during early crewed spaceflight missions?

The lengthy and interesting blogpost Baker-Nunn Camera, Island Lagoon on Colin Mackellar's Honeysuckle Creek website includes a photo of "Gemini 10 (with John Young and Mike Collins onboard) and ...
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3answers
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Why does the sky of Mars appear blue in this video of pictures sent back by the Chinese rover?

Is there any explanation for the blue sky of Mars shown in this video of photos transmitted by the Chinese rover? Zhurong Rover is driving on Mars sending back new images (Chinese Tianwen-1 mission) -...
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Has Curiosity ever taken a good hard look at the dirt covering its top surface? Can it? Have individual particles been sized?

I added some dirty pictures of Curiosity to Curiosity is still dirty! after August 9, 2018 (Sol 2137), and in this March 2021 selfie PIA24543: Curiosity's Selfie at Mont Mercou things still look ...
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1answer
104 views

Was a “spare LORRI” camera available to take matching image on Earth the same time New Horizons took the parallax image from the Kuiper belt?

It doesn't have to be the source of the "Earth" image used to demonstrate parallax, I only want to know if a spare, prototype, or reference LORRI camera system was potentially available for ...
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2answers
234 views

Has an astronaut ever gone into a docked capsule to take a photo out one of its windows?

A discussion below this answer to Did anybody on the ISS photograph this partial eclipse? How long did it last? How did they safely photograph it? has me wondering if astronauts can ever see "up&...
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1answer
125 views

Did anybody on the ISS photograph this partial eclipse? How long did it last? How did they safely photograph it?

Thanks to @gerrit's comment I have "irrefutable photographic circumstantial evidence" that the ISS (probably) passed through the penumbra of a partial solar eclipse. I know this is true ...
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1answer
187 views

Significance of Venus surface photos

Out of curiosity, I started looking for photos of Venus surface taken by various Russian probes. There is a nice collection here: http://mentallandscape.com/C_CatalogVenus.htm Not being a geologist, I ...
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Has Hubble ever focused on something close enough that it had to move away from being focused at infinity?

Hubble wouldn't have to change focus for Pranksat to work because Pranksat is cleverly designed to present a virtual image with a focus at infinity. But if the diffraction-limited Hubble wanted to ...
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1answer
61 views

Did the MarCo cubesats photograph each other or the Centaur stage from which they were deployed?

The screenshot below is an artists rendering of two MarCo cubesats and a Centaur upper stage moving together in space. I'm wondering if either of the MarCos photographed the other or the upper stage ...
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2answers
2k views

Stanley Kubrick used a NASA-inspired lens to film by candlelight in Barry Lyndon, but what did NASA use it for?

At 07:35 in the CinemaTyler video How Kubrick Achieved the Beautiful Cinematography of Barry Lyndon he says: As far back as 2001: A Space Odyssey, Kubrick and ...
118
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1answer
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How many extraterrestrial bodies have hosted a “lander” which returned images?

For the purposes of this question, we will consider a "lander" any probe which was sent to the surface of an extraterrestrial body or entered the atmosphere to a point which exceeds an air pressure of ...
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1answer
103 views

What's causing this stippling effect in photos from Perseverance's down-look camera?

I was taking a look at some of the raw Mars 2020 images and downloaded a few of them. For some of the photos from the down-look camera, if you zoom into them, there's a stippling/grid pattern in the ...
3
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1answer
139 views

Why did MRO have to “both pitch upward and roll hard to the left” to point exactly at Perseverance during the entry, descent and landing phase?

The HiRise camera on the Mars Reconnaissance Orbiter snapped a beautiful photo of Perseverance falling through the Martian atmosphere hanging from its parachute. This photo is the latest entry in this ...
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90 views

Has a satellite or spacraft orbiting the Moon or Mars been spotted from the surface of that body?

In reading this question (Lowest possible lunar orbit and has any spacecraft achieved it?), it prompts the question if any orbiting satellite/spacecraft around the Moon or Mars (the only heavenly ...
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1answer
404 views

Can the NASA Ingenuity Copter record video with its camera?

I'm wondering whether the Ingenuity Helicopter on Mars as part of the Perseverance rover can record moving video in addition to still images, and if the video can then be sent back to Earth.
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Has anyone in space seen or photographed a simple laser pointer from Earth?

In the question How to make a green LED as visually bright as a 0 magnitude star? I worked out that a 100 mA green LED with a 10° half-angle 18 kilometers away would be as bright as a 0th magnitude ...
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1answer
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How well could the New Horizons spacecraft localize itself in space in 3D using parallax?

NASA’s New Horizons Conducts the First Interstellar Parallax Experiment was exciting news, the spacecraft's computer, communication and camera all continue to work in the Kuiper belt due to rigorous ...
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4answers
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How did Apollo 16 capture this full photograph of the Moon's far side?

Apollo 16 famously photographed the far side of the Moon, as seen below. This seems odd to me. Apollo 16 orbited the Moon at an orbit of only 100 km. It seems too close to get this kind of a ...
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2k views

Download all Curiosity photos?

I'm interested in downloading all of the Curiosity rover photos. Is there some sort of automated way to do this?
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2k views

Are there photos taken by rovers, with both moons visible in the martian night sky?

Are there night photos from curiosity or early of Mars's skies? Two moon on the sky. Photos from ground. From rovers. Perhaps not exactly like this: but more like this: but at night and two moons.
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1k views

Have there been any photos taken of a total Earth-Sun eclipse from the Moon, or its vicinity?

There's a supermoon lunar eclipse ongoing right now (Sept. 27/28, 2015), and it got me thinking that a great way to show to people why the Moon is reddish -- when eclipsed by the Earth -- would be if ...
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3answers
2k views

Are pictures taken from ISS geolocalized?

I guess my question is "naive". I get from https://images-api.nasa.gov some pictures of Earth from ISS without any description (just the mission number) or pictures of crewmembers. Taken ...
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135 views

Geolocalizing photographs on astronomical bodies

In Are pictures taken from ISS geolocalized? I was considering photos taken on the Moon by astronauts. How can I determine a photographer's position and lens direction? And further, since there isn't ...
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1answer
575 views

Besides the video game and Nine Inch Nails box set, what is HALO-IV? How does it relate to the testing of ICBM interceptors?

Near the end of the Raytheon Technologies YouTube video Missile Defense Agency completes unprecedented homeland defense test can be seen what looks to me like thermal infrared footage of a ship-...
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Lot 345 of Christie's “Voyage To Another World” auction supposedly has the only photo of Armstrong on the Moon, but isn't this one also?

Christie's press release Christie's Voyage to Another World: The Victor Martrin-Malburet Photograph Collection includes the following: Lot 345, The only photograph of Neil Armstrong on the Moon, July ...
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4answers
6k views

How many photographs are there of the whole Earth?

Most of the representations of the Earth from space that one sees are inventions, meant to clearly show the things people most want to see - the outlines of the continents, instead of mostly clouds as ...
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92 views

Has a totally eclipsed Sun been photographed from low Earth orbit?

I'm hoping to get a sense of how much of the corona can be seen during an eclipse of the sun from outside of Earth's atmosphere. Have any photographs been taken in the visible part of the spectrum, ...
3
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1answer
511 views

Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?

An October 2013 article in SpaceRef.com The New Race for the Moon says: "NASA's policy is to make data publicly available. I think that is a very noble policy. I do not see anything wrong with ...
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How bright is twilight on Mars compared to Earth?

The surprising answer to How much more quickly does night come on Mars compared to Earth? Will it be easier to see Mercury there? is "up to two hours(!)" "...indicating that Martian dust extends very ...
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2answers
101 views

Earth’s Orbit speed and apparent motion question

Earth travels around the Sun at 67,000 mph. Hypothetically if it was possible to be in Space in a ship or Space walk and be at a complete stop and stationary outside of Earth’s orbit and not affected ...
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What did the sky actually look like from the Moon?

All the photographs I've seen from the Apollo missions show lunar features in good detail and exposure. This of course means that the shutter is not open long enough for light from stars to develop on ...
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112 views

What is the highest resolution camera on a Mars orbiter?

The GeoEye-1 satellite has the high resolution imaging system and is able to collect images with a ground resolution of 0.41 meters (16 inches) How about Mars then? From all the Mars orbiter's cameras,...
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1answer
322 views

Taking detailed photos of satellites using laser illumination

Is it possible to illuminate a satellite (LEO) using a ground based laser or other kind of light sources (visible light LED Array with mirrors) and then take a detailed photo of satellite? also a ...
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4k views

Usage of Apollo Lunar Surface Hasselblad Camera with 500 mm lens?

Here is a list of photographic cameras used for Apollo 16. There were two Lunar Surface Data Hasselblads equipped with a 60 mm lens for both astronauts to be used with chest mounts to the space suits....
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Were these Apollo 14 and 15 recovery images taken (by a Navy frogman) using an underwater camera?

These images were taken after the flotation collar was mounted and inflated by the frogmen. Also the raft was inflated. The divers jumped off a helicopter before, no rescue ship was present. Camera ...
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1answer
259 views

Why is a corner of InSight's selfie cropped like this?

A couple days ago, InSight took a selfie from the surface of Mars: Image credit: NASA/JPL-Caltech Most articles about it note that the photo is a composite image, which you can figure out by looking ...
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1answer
103 views

Which shuttle mission is this video from?

At 12 minutes and 19 seconds into the NASA video Space Shuttle Documentary (Narrated by William Shatner), there’s a really neat video of a space shuttle lighting up the clouds from underneath and then ...
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1answer
72 views

How did the TIROS video tape recorders record and playback images rather than audio; how were the signals modulated?

(At least) one answer to How were video tape recorders adapted to work in orbit in 1962? argues that the recorder should not be called a "video" tape recorder because the record/playback ...
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2answers
487 views

How were video tape recorders adapted to work in orbit in 1962?

Livescience's Satellite spies gigantic 'fuzzball' clouds spreading near Australia coast says: Actinoform clouds were first captured by NASA’s Television Infrared Observation Satellite V in 1962, but ...
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When was the first successful photograph of an orbital spacecraft from Earth taken?

Early artificial satellites were tracked by radio and visually by amateurs, scientists and military personnel for various reasons including fun and improving the understanding of orbital dynamics ...
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1answer
4k views

Who zoomed the video camera in and out when David Scott dropped the feather and hammer on the Moon?

This answer to Have optical zoom systems been used in space exploration? explains that there were video cameras on the Moon that could zoom. In the video below someone (or something) is zooming the ...
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1answer
453 views

How can stellar images be “subtracted” from a sequence of exposures? (difference imaging)

The press release UH ATLAS telescope discovers first-of-its-kind asteroid from the Institute of Astronomy at the University of Hawaii shows an image of an "active asteroid" among a field of stars. ...
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1answer
72 views

Lunar surface illumination levels

I am trying to determine the lunar surface near or far side daytime illumination levels in Lux or foot-candles but there seems to be no directly measured values available. I did find this information ...