NGC7380 - Wizard Nebula
Discovered by Caroline Herschel in 1787. Nebula illuminated by a young star cluster in Cepheus. Estimated to be between 7,000 to 8,500 light years away. #astrophotography

This Day in #History 1789
William Herschel discovers Saturn's moon Mimas using his 40-foot reflector telescope...

(that's no moon...)

Another massive Level 1 easy guided ride from @theswanclewer.bsky.social today. We negotiated the barriers to get onto, & along, the Jubilee River path. We rendezvoused in Herschel Park, Slough, for our last impromptu talk about the Herschels ☄️ 🔭. Back next week for a longer Level 2 ride.

Tras la estela de Caroline Lucretia Herschel

#OnThisDay, 1 Aug 1786, Caroline Herschel discovers comet C/1786 P1, becoming one of the first women to find one (and have it named after her).

#WomenInHistory #OTD #History #WomensHistory #WomenInSTEM 🗃️
1/2

Uncatalogued Arabic manuscript from West Africa — a fragmented. Loose leaves, varying paper sizes. Topics include mathematics, astrology, talismans, magic, divination, and treatises. I am looking for assistance with describing this manuscript, if interested, please DM me. Thanks

A tribute to Sir John Herschel: Sharlene Holliday’s “Infinity and Beyond” offers a visual echo of Herschel’s multi-faceted genius—astronomer, mathematician, inventor, and father of cyanotype.
Features in our Sir John Herschel tribute calendar:
👉 tinyurl.com/2p9m8u52

My newest episode is here. It's about astronomy!

Call for Papers, please share! “Power Couples? Collaborations at work and at home, c.1750-1914” workshop to be held at Martin Luther University Halle-Wittenberg, Germany 11-13 May 2026. Deadline for expression of interest 1 Sep 2025. Please see more info in the attached & email me if any questions.

Call for papers: Women in Science: historical perspectives
Conference 18 Nov. 2025 at Royal Society

Submit proposals < 300 words, incl a biographical note of c.50 words) for 20-min papers to [email protected] subject line ‘proposal for conference paper’

Deadline: 30 June 2025
#HPS

Sky at Night - BBC 4 tonight at 21.50 - celebrates the 350th birthday of Royal Observatory Greenwich, and we get to talk about time and black holes. It's genuinely a great episode - please watch. www.bbc.co.uk/programmes/m...

Thought about visiting the Herschel Family Archives at the Harry Ransom Center? Through the lens of her own experimental cyanotype practice, Caroline Roberts explores Sir John Herschel’s original lab notes. Learn more:
👉 www.alternativephotography.com/herschel-arc...

Beautiful tributes to Herschel for our Calendar & Journal event. Enjoy entries by:

➥ Anne Guest, Cygnus. Cyanotype.

➥ John Ansell. Herschel's studies in colour blindness. Cyanotype.

Two weeks to closing!
👉 www.alternativephotography.com/calendar-eve...

John & Margaret Herschel were friends of Maria Edgeworth & used her book & her educational philosophy a lot in educating their own children.

John Herschel – The Last Polymath, All Day Conference now on YouTube #histsci
www.youtube.com/watch?v=FsIS...

Caroline Herschel played an important role in her brother astronomical work and if you really want to know what that role was read Emily Winterburn's (@arntem.bsky.social) excellent biography
www.amazon.de/-/en/Quiet-R...

Pleasing fact for today: William Whewell's wife, Cordelia Marshall was Reginald Dykes Marshall's aunt. Reginald married Margaret Louisa Herschel in 1858. The Marshalls were from a mill owning family in Leeds.

Turns out I was being wildly optimistic to imagine having the energy to post or engage with anything during term time. It is half term now though.

“Miss Cornwallis came here to lunch too to incense us & be incensed herself at the profound ignorance of the upper classes!" Margaret Louisa Herschel to her dad, John F. W. Herschel, c.1854, family archive