Roundway Hill

Images

1 image(s) on this formation's own source records. Click a tile for the full image; the bytes are fetched when you ask for them and are not stored in this page.

Diagrams (1)

diagram cropcirclecenter.com / Bertold Zugelder site default

Date

15 August 2004, to day precision. What a source records is the day a formation was found and reported.

reported by

cc: 15 August 2004

weekday

Sunday, day 228 of the year, ISO week 33, summer

sun and moon

38.2 days before the September equinox; moon new (0% lit), 14.6 days before the full moon (computed at 12:00 UTC; a reported date is a discovery date, not a creation date)

Place

What each source printed, and the coordinate derived from it. No source in this archive publishes a coordinate of its own.

coordinate

51.368040, -1.980817 — place, ±2,000 m, by os_open_names, from the cc record

on a map

OpenStreetMap

Crop and size

crop

wheat (cc: wheat)

diameter

not recorded by any source

size as written

not recorded

Source records

What each source published, side by side. A row whose values differ across the sources is marked: the archive prints the disagreement rather than choosing a winner.

Geometry

1 diagram file(s) on this page. measured from the diagram itself, and experimental: the extractor's rotational order is right on 88.8 % of a 200-diagram hand-labelled set against a gate of 90 %, so read a number here beside the picture rather than instead of it.

Experimental, and marked ≈ wherever it appears. These numbers are read off a drawing, not off the field: the extractor's rotational order agrees with a hand-labelled set on 88.8 per cent of 200 diagrams against a gate of 90 per cent, its element count is within one on 97.5 per cent, and its ring count is not calibrated at all. Nothing in the analysis tree is derived from the rotational order while that gate is unmet.

Diagrams that look like these: cc a46a9e19— the nearest by perceptual hash. The whole archive is browsable by shape in the shape section, and this formation's own diagrams go straight into that grid: show them in the grid.

Neighbours

In time

previous

Lawton 14 August 2004, Lawton

next

Arnhem 17 August 2004, Arnhem

previous in UK

West Lavington 14 August 2004

next in UK

Roundway Hill 18 August 2004

same day

Garsington (Garsington)

within 7 days and 25 km

Roundway Hill 22 August 2004, 0 m away, 7 day(s) apart · West Lavington 14 August 2004, 10.4 km away, 1 day(s) apart · West Kennett 11 August 2004, 11.0 km away, 4 day(s) apart · West Kennett 11 August 2004, 11.0 km away, 4 day(s) apart

In place

The nearest formations the archive can place.

Roundway Devizes28 June 1991
Roundway Devizes
0 m away, 1991-06-28 Roundway Devizes24 July 1992
Roundway Devizes
0 m away, 1992-07-24 Roundway Devizes21 July 1995
Roundway Devizes
0 m away, 1995-07-21 Roundway Devizes25 July 1995
Roundway Devizes
0 m away, 1995-07-25 Roundway DevizesAugust 1995
Roundway Devizes
0 m away, 1995-08 Roundway Devizes16 July 1996
Roundway Devizes
0 m away, 1996-07-16

same county and year

Avebury 14 July 2004 · Bishops Cannings 1 May 2004 · Pewsey White Horse 25 May 2004 · Ebbsbourne Wake 26 May 2004 · West Kennett 30 May 2004 · Wilsford Down 2 June 2004 · Honeystreet 16 June 2004 · Alton Barnes 20 June 2004 · Huish 21 June 2004 · Milk Hill 26 June 2004 · Yatesbury 28 June 2004 · Rabley Wood 30 June 2004 · Market Lavington 5 July 2004 · North Newton 13 July 2004 · West Kennett 13 July 2004 · Alton Priors 15 July 2004 · North Down 15 July 2004 · Windmill Hill 17 July 2004 · UK20040718_B 18 July 2004 · Pewsey White Horse 20 July 2004 and 42 more

Provenance

entity built at

2026-09-11T19:20:39Z (derived from the link decisions, not from this build)

index run ids

none

reviews applied

none

open queue pairs

none

entity record

index/formations/UK20040815_B.json · row in index/manifest.jsonl

input digests

entity cca6bed05701 · images c7e212c69a41 · texts 4f53cda18c2b · geo d6d70fb90e03