A NEPTUNE DISCOVERY
||13th Challis requests Uranus-data from Airy
Eugene Bouvard presents 'New Tables of Uranus' to the Paris
Mid-Sept: Adams comments on the new planet’s position
22nd Arago at French Institute asks Leverrier
to investigate NE perturbations
26th Airy returns from France
29th Letter from Airy to Challis (right)
click for larger image
15th The Times prints a letter
by Adams about a new comet.
c.21st Adams visits RGO, unannounced, at
3 & 4 pm
27th Airy investigates incest-murder charge
and suspends a senior RGO worker
29th Birth of Airy’s 7th child
gives first Memoir on Uranus to Paris Academy, his 31st on
celestial mechanics since 1839.
12th Adams finds a solution to radius vector
perturbn. 14th Adams elected a FRAS, on Challis’ proposal
||1st Challis sees
4-6th Airy visits Challis
at Camb. (+ Adams possibly)
9th Adams solves
equations for Biela’s comet, tells Challis
Adams addresses RAS, on the two
heads of Biela’s comet.
first prediction, to Paris Academy
10th Astronomer Peter Hansen visits Airy,
until July 4th.
23rd Airy receives Leverrier’s first
29th Airy addresses Board of Visitors of
Royal Observatory meeting
2nd Airy &
Hansen meet Adams in Cambridge, crossing St John’s bridge.
9th Airy urges Challis to commence a sky-search.
Adams prepares an ephemeris, for Challis’ guidance
29th Challis starts his sky-search
10th Mr &
Mrs Airy start tour of Europe , with Wiesbaden spa
31st Leverrier’s final prediction published
2nd Adams sends
first letter on the new planet, to Airy
10th BAAS meeting starts at Southampton,
18th Leverrier writes to Galle at the Berlin
23rd Leverrier’s letter received at
Berlin in evening
24th 0h 15min PLANET FOUND by Galle and D’Arrest
29th Airy hears news of new planet, while
30th Challis hears the news; Hind is first
Englishman to see it.
1st Lev. sends
letters to the observatories of Europe, announcing the name
'Neptune' and symbol, a trident.
publishes Hind’s letter, on new planet found.
3rd 1st public linking of Adams's name with
new planet, by Herschel in Athenaeum
5th Airy visits Schumacher (editor of Astr.
Nach) at Altona
10th Lev’s final theory published in
11th Airy returns to England. 17th, Challis
and Adams propose the name Oceanus for the new planet.
19th Arago addresses stormy meeting of Academy
of Sciences in Paris
13th Adams 'predictions'
of 1845 are revealed, at an RAS meeting hearing Airy, Challis
letters pass between Sedgwick & Airy
5th Athenaeum editorial accuses French of
12th Challis reports to Observatory Syndicate