Steve Brown - astronomy and astrophotography
@sjbastro.bsky.social
3K followers 860 following 1.6K posts
Amateur astronomer and astrophotographer, including Sirius, meteors, noctilucent clouds and aurora. Articles and pictures published in books and magazines. Been on TV and radio talking about astronomy. Always need more sleep.
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sjbastro.bsky.social
The #Astronomy highlights thread for October 2025:

There is a good meteor shower visible this month in Moonless skies in the shape of the Orionids. Comet C/2025 A6 (Lemmon) may also be a nice astrophotography target in the evening sky.

#Astrophotography #Stargazing
sjbastro.bsky.social
There was a perfect #Moon corona this morning - caused by passing mist. A lovely sight while I waited for the sky to clear so I could see comet Lemmon. #Astronomy #Astrophotography
Concentric multi-coloured rings of light around the Moon. This is a lunar corona, caused by light from the Moon passing through mist.
sjbastro.bsky.social
It usually removes them but it can be variable how effectively they are removed. I usually just leave out those shots with bright satellites on them.
sjbastro.bsky.social
There weren't too many to be fair. Hopefully be able to stack a good few for a decent result later.
sjbastro.bsky.social
Bloomin' satellites! 🙄😄 #Astronomy #CometLemmon
A satellite trail crossing in front of comet Lemmon.
Reposted by Steve Brown - astronomy and astrophotography
naztronomy.com
Several people reached out after my last video on Siril-Comet processing that it wasn't working for their seestar data.I've posted a new video where I demo with Seestar data: youtube.com/watch?v=HnEF3yn2Ai8

#Astronomy #astrophotography #Siril @siril.org
Fixed Seestar Comet Stacking in Siril
YouTube video by Naztronomy
www.youtube.com
sjbastro.bsky.social
And here's part 2 of the epic aurora storm one year ago this evening - Aurora Storm over North Yorkshire - 10 to 11 October 2024 (Part 2). Definitely worth a watch full screen on YouTube. Enjoy! 😀 #Aurora #AuroraBorealis #NorthernLights #Astronomy #Astrophotography youtu.be/pbN3Fmmm2a8
Aurora Storm over North Yorkshire - 10 to 11 October 2024 (Part 2)
YouTube video by North Yorkshire astronomy and astrophotography
youtu.be
sjbastro.bsky.social
One year ago this evening - the epic Aurora Storm over North Yorkshire - 10 to 11 October 2024 (Part 1). Watch on YouTube for maximum awesomeness 😀 #Aurora #AuroraBorealis #NorthernLights #Astronomy #Astrophotography youtu.be/NmXS1bakDSE
Aurora Storm over North Yorkshire - 10 to 11 October 2024 (Part 1)
YouTube video by North Yorkshire astronomy and astrophotography
youtu.be
sjbastro.bsky.social
One year ago this evening - an epic auroral display visible from the UK and a lot of Europe and the US. One of the best displays I've ever seen. #Aurora #Astronomy #Astrophotography
Picture of the aurora borealis taken on 10 October 2024 at 20:55 UT, looking east-northeast from North Yorkshire, UK. The aurora is green and red and shown above a rooftop. There is a prominent red streak through the centre of the display. Shot taken with a Canon 250D with 16mm lens at 2.0s exp, 16mm fl, f/2.0, ISO-1600.
sjbastro.bsky.social
Now you've given me a craving for walnuts 😀
sjbastro.bsky.social
Just wait until a Farage government rejoins the EU.
sjbastro.bsky.social
Nice shot - always good to see the Orion Nebula in the context of the wider constellation.
Reposted by Steve Brown - astronomy and astrophotography
davidbflower.bsky.social
The Belt of Orion and the Great Orion Nebula. 10 October 2025. 🔭 🧪 🎨 #astrophotography #SciArt #photography #StormHour #ThePhotoHour
Three bright stars of the belt of Orion at upper left. Orion nebula below centre. Many other star dots.
Reposted by Steve Brown - astronomy and astrophotography
angegarrod.bsky.social
Moon moods.

89.4% Waning Gibbous gibbous moon 9th in to 10th October 2025

#moonwatch #wonders #astronomy
@virtualastro.bsky.social
sjbastro.bsky.social
A near-complete skeleton found on Dorset's Jurassic coast has been identified as a new species of ichthyosaur, a type of prehistoric marine reptile that once ruled the oceans. www.bbc.co.uk/news/article...
Fossil found on UK coast is unique 'sword dragon' species
Scientists say the newly discovered species of marine reptile probably met a grisly end.
www.bbc.co.uk
sjbastro.bsky.social
Clearish for me at the moment but due to cloud over later, so probably not going to catch this one.
sjbastro.bsky.social
The #Moon occults some of the stars in the Pleiades open cluster from around 05:15 UT (06:15 BST) tomorrow morning. The brightening dawn sky reduces the visibility of the event as the occultation progresses. #Astronomy
Stellarium graphic showing the Moon close to the Pleiades open cluster on the morning of 10 October 2025.
sjbastro.bsky.social
The faint comet C/2024 E1 (Wierzchoś) is close to the star Gamma Herculis (Nasak Shamiya III) this evening. Look to the west as soon as it gets dark. The comets sets around midnight. One for #astrophotography. #Astronomy
Stellarium graphic showing the location of comet C/2024 E1 (Wierzchoś) in the constellation of Hercules on 9 October 2025.
sjbastro.bsky.social
I use something similar for my widefield astro work. I've found budget tripods like this are just as stable as more expensive models.
sjbastro.bsky.social
Nice one. Glad you've managed to capture it. You've got the colour and bit of the tail nicely. Good to capture an early image of it to compare to what it will look like in a couple of weeks.
Reposted by Steve Brown - astronomy and astrophotography
davidbflower.bsky.social
Comet C/2025 A6 (Lemmon). 9 October 2025. 🔭 🧪 🎨 #astrophotography #SciArt #photography #StormHour #ThePhotoHour
A green comet at centre. Numerous star dots.
sjbastro.bsky.social
The Nobel Prize for Chemistry has been awarded to Susumu Kitagawa, Richard Robson, and Omar M Yaghi for their work on metal-organic frameworks, which could tackle some of the biggest problems on Earth, including capturing carbon dioxide to help tackle climate change. www.bbc.co.uk/news/article...
Chemistry Nobel awarded to three scientists for their work on metal organic frameworks
The winners of the prestigious science prize were announced by the Nobel committee in Sweden.
www.bbc.co.uk
sjbastro.bsky.social
Nice capture. The tail seems to be developing well.
Reposted by Steve Brown - astronomy and astrophotography
peterlewis55.bsky.social
This morning's capture of Comet C/2025 A6 (Lemmon)
The comet will make its closest pass to Earth on October 21, 2025, at a distance of about 55 million miles (89 million kilometres).
#astronomy #astrophotography @stormhour.com @photohour.bsky.social