pray-calc-ml/data/raw/raw_sightings/shaukat_2015_other_sites.csv
Aric Camarata c1eeef53c4 Expand dataset to 5,871 Fajr / 46 Isha across 114 locations
Major additions:
- Extract all 1,621 Basthoni 2022 SQM records (46 Indonesian sites,
  Lampiran 2-5) via precomputed_angles.py
- Add 9 new raw sighting CSVs: Abdel-Hadi Malaysia, BRIN multistation,
  Kassim Bahali (2017+2019), Khalifa Saudi, Moonsighting.com,
  Shaukat 2015 Blackburn UK, Walisongo Sulawesi
- Curate aggregate D0 database (115 entries) in research/

Pipeline improvements:
- Open-Topo-Data SRTM30m primary elevation API with fallback
- APPROVED_RAW_CSVS allowlist prevents circular data ingestion
- Pre-computed angle merge path (bypasses back-calculation for SQM data)
- BAD_NOTE_MARKERS quality filter for excluded sources

Collection tools:
- BRIN multistation SQM processors
- PDF/HTML table extractor for academic papers
- Source tracking database (collection_manifest.json)

Documentation:
- Rewrite .wiki/Data.md and .wiki/Research.md from scratch
- Expand Data-Sources.md with full Basthoni Lampiran breakdown
- Add 14 researcher outreach drafts
- Update .gitignore to exclude bulk/experimental files
2026-02-28 10:51:01 -05:00

628 B

1prayerdate_localtime_localutc_offsetlatlngelevation_msourcenotes
2fajr1970-06-1204:175.025.766768.658316.0Ludhianvi 1975 Subh Sadiq / Shaukat 2015 Fajr and Isha Booklet Tando Adam Pakistannaked eye; Subh Sadiq; team of 11 Ulama and experts; night was pitch dark without lights; Subh Kadhib at 04:00; sunrise approx 05:30
3fajr1991-09-2806:20-4.042.444-76.502280.0Afzal 1991 / Shaukat 2015 Fajr and Isha Booklet Ithaca NY USAnaked eye; Subh Sadiq (Fajr al-Mustatir); Dr Omar Afzal and 2 observers; diffused light over whole eastern horizon; very clear horizon; Tabayyan at 06:29; sunrise=07:01; EDT (UTC-4)