<![CDATA[You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon.]]>You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon.

My first thought? That's *really* noisy 🧐

But then I realised – it's the *nightside* of Earth, illuminated by the almost full Moon, not the Sun πŸŒ•

The bright limb at lower-right is where the dayside starts, & the fact that you can see aurorae, airglow, & cities in Europe, Africa, & S & N America also gives the game away.

Cool.

]]>https://forum.fedi.dk/topic/aaad92b8-f0eb-4f3e-9768-e07ca1ff46c3/you-ll-likely-catch-this-image-a-million-times-in-your-various-feeds-earth-as-seen-by-reid-wiseman-from-artemis-ii-en-route-to-the-moon.RSS for NodeMon, 06 Apr 2026 08:16:11 GMTFri, 03 Apr 2026 17:52:18 GMT60<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Sat, 04 Apr 2026 06:39:21 GMT]]>@PepijnVemer @markmccaughrean Too lazy to open it a moment to get a better shot huh... πŸ™‚

]]>https://forum.fedi.dk/post/https://mastodon.social/users/edgeofeurope/statuses/116345062136778838https://forum.fedi.dk/post/https://mastodon.social/users/edgeofeurope/statuses/116345062136778838Sat, 04 Apr 2026 06:39:21 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Sat, 04 Apr 2026 06:36:12 GMT]]>@edgeofeurope @markmccaughrean Reflection on the inside of the window through which the picture was made?

]]>https://forum.fedi.dk/post/https://bookstodon.com/users/PepijnVemer/statuses/116345049759480771https://forum.fedi.dk/post/https://bookstodon.com/users/PepijnVemer/statuses/116345049759480771Sat, 04 Apr 2026 06:36:12 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Sat, 04 Apr 2026 06:23:28 GMT]]>@markmccaughrean I wonder what this is, just above and to the right of the center. A reflection of the moon in the sea?

]]>https://forum.fedi.dk/post/https://mastodon.social/users/edgeofeurope/statuses/116344999645779203https://forum.fedi.dk/post/https://mastodon.social/users/edgeofeurope/statuses/116344999645779203Sat, 04 Apr 2026 06:23:28 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Sat, 04 Apr 2026 05:36:32 GMT]]>@markmccaughrean

I was shocked that you could see stars.

Most of the time with daylight images of Earth, it's too bright to see stars.

Unlike others I was guessing the point light source are stars.

]]>https://forum.fedi.dk/post/https://timeloop.cafe/users/alienghic/statuses/116344815138172142https://forum.fedi.dk/post/https://timeloop.cafe/users/alienghic/statuses/116344815138172142Sat, 04 Apr 2026 05:36:32 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Sat, 04 Apr 2026 00:06:32 GMT]]>@markmccaughrean πŸ‘

Just ran across this in my photos from a recent conversation. In the original cut of "Miri," which featured a rare exact Earth duplicate, a simple globe without annotations was used to convey the point. This was before the 1st Moon landing. I would guess the audience at the time was unused to seeing the Earth from space. Later remasters added clouds. Remarkable how banal the view has become.

]]>https://forum.fedi.dk/post/https://mas.to/users/darth_hideout/statuses/116343517484758250https://forum.fedi.dk/post/https://mas.to/users/darth_hideout/statuses/116343517484758250Sat, 04 Apr 2026 00:06:32 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:59:23 GMT]]>@whangdoodler @markmccaughrean none, that’s just shot noise.

]]>https://forum.fedi.dk/post/https://masto.hackers.town/users/cinebox/statuses/116343489398169121https://forum.fedi.dk/post/https://masto.hackers.town/users/cinebox/statuses/116343489398169121Fri, 03 Apr 2026 23:59:23 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:57:42 GMT]]>@darth_hideout My guess is a reflection off the window, some light inside Orion. Doesn’t look like the Moon reflecting off the Atlantic – too sharp & bright.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343482771082328https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343482771082328Fri, 03 Apr 2026 23:57:42 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:52:25 GMT]]>@markmccaughrean

There's a collection of lights off-center up & to the right. Is that a reflection?

]]>https://forum.fedi.dk/post/https://mas.to/users/darth_hideout/statuses/116343461988358769https://forum.fedi.dk/post/https://mas.to/users/darth_hideout/statuses/116343461988358769Fri, 03 Apr 2026 23:52:25 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:30:31 GMT]]>@sysadmin1138 And the D5 is one of the very best cameras around if you feel the need to set the ISO to 51200 😬 It’s famously *not* ISO invariant, & remains pretty clean up to ridiculous settings.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343375890059932https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343375890059932Fri, 03 Apr 2026 23:30:31 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:24:16 GMT]]>@markmccaughrean I also caught that! Cameras have gotten a HELL of a lot better.

]]>https://forum.fedi.dk/post/https://ngmx.com/users/sysadmin1138/statuses/116343351317771040https://forum.fedi.dk/post/https://ngmx.com/users/sysadmin1138/statuses/116343351317771040Fri, 03 Apr 2026 23:24:16 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:23:44 GMT]]>@bouriquet Kind of, but different – it’s the nightside of Earth, so very faintly illuminated by the Moon only, meaning by you can see the aurorae & airglow in shot, which you’d never see on the dayside.

And the perspective is pretty tight, from only 10,000km or so above the surface, just 1.5 Earth radii. That means you see quite a bit less than a full hemisphere as you would from the Moon itself, say πŸ™‚

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343349194787670https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116343349194787670Fri, 03 Apr 2026 23:23:44 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:10:59 GMT]]>@markmccaughrean The classic big blue marble

]]>https://forum.fedi.dk/post/https://mastodon.social/users/bouriquet/statuses/116343299105750785https://forum.fedi.dk/post/https://mastodon.social/users/bouriquet/statuses/116343299105750785Fri, 03 Apr 2026 23:10:59 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 23:04:21 GMT]]>@markmccaughrean

Ohhhhh! Something about it was bugging me, but I couldn't say what. "Dark side" was what I was missing.Thanks πŸ‘!

]]>https://forum.fedi.dk/post/https://mastodon.social/users/jztusk/statuses/116343272992791684https://forum.fedi.dk/post/https://mastodon.social/users/jztusk/statuses/116343272992791684Fri, 03 Apr 2026 23:04:21 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 22:47:05 GMT]]>@markmccaughrean Isn't our world beautiful?

]]>https://forum.fedi.dk/post/https://ohai.social/ap/users/115683904065635825/statuses/116343205128154741https://forum.fedi.dk/post/https://ohai.social/ap/users/115683904065635825/statuses/116343205128154741Fri, 03 Apr 2026 22:47:05 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 21:38:43 GMT]]>@whangdoodler None in that picture – the Sun is hidden behind Earth, so there’s nothing bright to light them. Moonlight is far too faint to lead to significant illumination. But the satellites are still there, mostly you know who’s endless cheap wifi routers 😬

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342936263285548https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342936263285548Fri, 03 Apr 2026 21:38:43 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 21:32:51 GMT]]>@markmccaughrean how much of the ”noise” is satelites?

]]>https://forum.fedi.dk/post/https://piipitin.fi/users/whangdoodler/statuses/116342913171638866https://forum.fedi.dk/post/https://piipitin.fi/users/whangdoodler/statuses/116342913171638866Fri, 03 Apr 2026 21:32:51 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:49:44 GMT]]>@markmccaughrean @Nina_cried Oh yes ... several livestreams directed by private space aficionados were way better - like catching SRB sep.

]]>https://forum.fedi.dk/post/https://scicomm.xyz/users/cosmos4u/statuses/116342743649630503https://forum.fedi.dk/post/https://scicomm.xyz/users/cosmos4u/statuses/116342743649630503Fri, 03 Apr 2026 20:49:44 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:45:47 GMT]]>@cosmos4u @Nina_cried As I said, mine was good enough for (ex-)government work πŸ™‚

And a damn sight better than NASA's launch livestream – what a shambles, honestly πŸ™„

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342728136588119https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342728136588119Fri, 03 Apr 2026 20:45:47 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:41:26 GMT]]>@markmccaughrean @Nina_cried The exact situation: https://bsky.app/profile/radplanets.com/post/3mimaryk3hs25 and https://scicomm.xyz/@redshiftdrift@sciences.re/116342571704206484

]]>https://forum.fedi.dk/post/https://scicomm.xyz/users/cosmos4u/statuses/116342711056857210https://forum.fedi.dk/post/https://scicomm.xyz/users/cosmos4u/statuses/116342711056857210Fri, 03 Apr 2026 20:41:26 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:17:45 GMT]]>@ccferrie You are arguably experiencing an element of The Overview Effect πŸ™‚

And keep in mind that the thin glow you see all around the planet is at about 80km altitude – we struggle above 5km & die above 10km.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342617882759572https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342617882759572Fri, 03 Apr 2026 20:17:45 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:15:56 GMT]]>Ha – I promise I didn't check before fiddling in Celestia, but I see that the EXIF information in the original Artemis JPG says it was taken at 00:27:39, presumably UTC.

And putting that time into Celestia, I get a sub-latitude of -2.8ΒΊ, a sub-longitude of -13.9ΒΊ, and a distance of ~10,000km from the surface of Earth.

Which is niche information unless you're a planetary aurora specialist like Jonathan Nichols, who asked πŸ™‚

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342610725441043https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342610725441043Fri, 03 Apr 2026 20:15:56 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:10:48 GMT]]>@markmccaughrean the thing that strikes me must is how thin our atmosphere is - it looks like such a fragile thing for something so important for life on earth.

]]>https://forum.fedi.dk/post/https://mastodon.ie/users/ccferrie/statuses/116342590544531982https://forum.fedi.dk/post/https://mastodon.ie/users/ccferrie/statuses/116342590544531982Fri, 03 Apr 2026 20:10:48 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:06:22 GMT]]>I tried getting Astrometry.net to solve for the starfield first, but it failed (perhaps not surprisingly given the stupid big planet in the way).

So I went into Celestia, set the time to a reasonable guess for when the Artemis picture might've been taken (I ended up at 00:30 UTC last night), played with the orientation, & bingo – everything lines up.

Not completely perfect, but good enough for government work.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342573156921607https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342573156921607Fri, 03 Apr 2026 20:06:22 GMT<![CDATA[Reply to You'll likely catch this image a million times in your various feeds: Earth as seen by Reid Wiseman from Artemis II en-route to the Moon. on Fri, 03 Apr 2026 20:04:27 GMT]]>@Nina_cried You were right πŸ™‚

Astrometry.net failed me, but I went into Celestia, set a reasonable time for when that picture might've been taken, played around with the orientation a bit, & bingo – everything lines up.

Nicely done – thanks for the suggestion.

]]>https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342565617888778https://forum.fedi.dk/post/https://mastodon.social/users/markmccaughrean/statuses/116342565617888778Fri, 03 Apr 2026 20:04:27 GMT