Hackpen Hill
UK19980817_B17 August 1998·Hackpen Hill, Wiltshire·wheat
Possibly the same formation as: these cross-site pairs are still open in the index review queue.
-
Stanton St.Bernard (Stanton St.Bernard)(lp, tier C, score 0.60, rule county_only, pair d4771ee8)
date 1998-08-17 vs 1998-08-17 (delta +0 d); county Wiltshire == Wiltshire; country UK (cc_id) == UK (country_field)
Reported 17 August 1998 in wheat at Hackpen Hill, Wiltshire. One archive recorded it, so nothing about it can be cross-checked.
The record
- date
- 17 August 1998 (day precision)
- place
- Hackpen Hill
Wiltshire
England - crop
- wheat
- size
- 149 ft (45.4 m) across
as written: 45 m | 149 ft - recorded by
- cc
- images
- 1 · 1 diagram
- writing
- nothing was written about this formation on any source
Also called
Nothing else. No other name or place string appears on any source record for this formation.
Where exactly
- coordinate
- 51.468306, -1.815723
- how it was got
- os open names
place, to within 2,000 m, from the cc record - on a map
- OpenStreetMap
No source publishes a coordinate for any formation in this archive. Every coordinate here is derived from the place name a source printed, and this page says how precise that makes it rather than rounding it away.
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)
| site | kind | credit | basis | caption | size | file | source page |
|---|---|---|---|---|---|---|---|
| cc | diagram | cropcirclecenter.com / Bertold Zugelder | site default | 575×415 54.4 KiB image/jpeg |
image bf44e1bf662b | https://www.cropcirclecenter.com/date/1998/199808.html |
Date
17 August 1998, to day precision. What a source records is the day a formation was found and reported.
- reported by
- cc: 17 August 1998
- weekday
- Monday, day 229 of the year, ISO week 34, summer
- sun and moon
- 36.7 days before the September equinox; moon waning crescent (22% lit), 9.4 days after 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
- 51.468306, -1.815723 — place, ±2,000 m, by os_open_names, from the cc record
- on a map
- OpenStreetMap
| site | place | county | country | grid ref | what3words | fix |
|---|---|---|---|---|---|---|
| cc | Wiltshire | England | 51.468306, -1.815723 place / os_open_names |
Crop and size
- crop
- wheat (cc: wheat)
- diameter
- 149 ft (45.4 m)
- size as written
- 45 m | 149 ft
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.
| field | cc cropcirclecenter.com |
|---|---|
| id / slug | UK19980817_B |
| name | Hackpen Hill |
| location | |
| county | Wiltshire |
| country | England |
| date reported | 1998-08-17 |
| date precision | day |
| crop | wheat |
| size | 45 m | 149 ft |
| diameter (ft) | 149 |
| grid reference | |
| what3words | |
| map link | |
| credits | cropcirclecenter.com / Bertold Zugelder |
| source page | https://www.cropcirclecenter.com/date/1998/199808.html |
| link to the entity | singleton decided by none on 2026-09-11 |
| warnings | no_formation_page |
| record | cc/915da18b2bf36… raw record view: /formation/cc/915da18b2bf36f533a58088474d97c15452e0b80b9cb35a4cb5202d09cae8b29 in the preview app |
Texts
no text documents in the archive for this formation
Claims about this formation
no claim was extracted from a text about this formation
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.
| diagram | rotational symmetry | elements | rings | mirror | fill |
|---|---|---|---|---|---|
| cc bf44e1bf | ≈ 3-fold score 0.922 | 93 | 4 | 0.873 | 0.2031 |
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 bf44e1bf— 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
- Cold Ashton 16 August 1998, Cold Ashton
- next
- Lohja 19 August 1998, Lohja
- previous in UK
- Cold Ashton 16 August 1998
- next in UK
- West Overton 19 August 1998
- same day
- Midale (Midale) · Cermná (Cermná) · Areley Common (Areley Common) · Halisham (Halisham) · Stanton St Bernard (Stanton St Bernard)
- within 7 days and 25 km
- Avebury 24 August 1998, 5.2 km away, 7 day(s) apart · West Overton 19 August 1998, 6.4 km away, 2 day(s) apart · Yatesbury 10 August 1998, 6.8 km away, 7 day(s) apart · Stanton St Bernard 17 August 1998, 12.6 km away, 0 day(s) apart · All Cannings 21 August 1998, 13.7 km away, 4 day(s) apart
In place
The nearest formations the archive can place.
Hackpen Hill4 July 1991Hackpen Hill
0 m away, 1991-07-04
Hackpen HIll12 July 1991Hackpen HIll
0 m away, 1991-07-12 Hackpen Hill9 June 1994
Hackpen Hill
0 m away, 1994-06-09 Hackpen HillAugust 1994
Hackpen Hill
0 m away, 1994-08 Hackpen Hill11 June 1997
Hackpen Hill
0 m away, 1997-06-11
Hackpen Hill18 August 1997Hackpen Hill
0 m away, 1997-08-18
- same county and year
- Chiseldon 20 April 1998 · Silbury Hill 4 May 1998 · Chiseldon 10 May 1998 · Ogbourne Maizey 17 May 1998 · Chiseldon 19 May 1998 · West Overton 23 May 1998 · Winterbourne Bassett 23 May 1998 · Lockeridge 25 May 1998 · West Overton 25 May 1998 · West Overton 28 May 1998 · West Overton 29 May 1998 · Trowbridge 30 May 1998 · Trowbridge 30 May 1998 · West Kennett 1 June 1998 · Bishops Cannings 5 June 1998 · Avebury Stone Avenue 6 June 1998 · Beckhampton 6 June 1998 · West Overton 13 June 1998 · West Kennett 14 June 1998 · East Kennett 15 June 1998 and 72 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
- d4771ee85ff534941f1b82ca4eef1a55d90724a1bf2687d8b9e7aea3861cef02
- entity record
- index/formations/UK19980817_B.json · row in index/manifest.jsonl
- input digests
- entity 153e95ae8a25 · images 2aedf876dbb1 · texts 4f53cda18c2b · geo 1d344fd7d1ed