pray-calc-ml/data/raw/raw_sightings/brin_multistation_fajr.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

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prayer,date_local,time_local,utc_offset,lat,lng,elevation_m,source,notes
fajr,2018-04-14,04:29,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-15,04:28,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-27,04:24,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-21,05:00,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-24,04:57,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-07-12,05:16,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-10-07,04:07,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-11-13,04:00,7.0,-7.65,107.692,680,BRIN multistation SQM 2018 (GRT),Per-night SQM observation; station GRT; Garut West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-14,04:08,7.0,-7.568,112.674,10,BRIN multistation SQM 2018 (PSR),Per-night SQM observation; station PSR; Pasuruan East Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-05-14,04:03,7.0,-7.568,112.674,10,BRIN multistation SQM 2018 (PSR),Per-night SQM observation; station PSR; Pasuruan East Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-12,04:07,7.0,-7.568,112.674,10,BRIN multistation SQM 2018 (PSR),Per-night SQM observation; station PSR; Pasuruan East Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-05-14,04:57,7.0,-6.913,107.837,10,BRIN multistation SQM 2018 (SMD),Per-night SQM observation; station SMD; Subang West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-07-12,04:45,7.0,-6.913,107.837,10,BRIN multistation SQM 2018 (SMD),Per-night SQM observation; station SMD; Subang West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-09-08,04:27,7.0,-6.913,107.837,10,BRIN multistation SQM 2018 (SMD),Per-night SQM observation; station SMD; Subang West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-11-06,04:25,7.0,-6.913,107.837,10,BRIN multistation SQM 2018 (SMD),Per-night SQM observation; station SMD; Subang West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-12-19,04:01,7.0,-6.913,107.837,10,BRIN multistation SQM 2018 (SMD),Per-night SQM observation; station SMD; Subang West Java Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-14,04:28,9.0,-1.174,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-14,05:05,7.0,-0.204,100.32,850,BRIN multistation SQM 2018 (AGM),Per-night SQM observation; station AGM; Agam West Sumatra Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-10-15,05:20,7.0,-0.204,100.32,850,BRIN multistation SQM 2018 (AGM),Per-night SQM observation; station AGM; Agam West Sumatra Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-10-22,05:17,7.0,-0.204,100.32,850,BRIN multistation SQM 2018 (AGM),Per-night SQM observation; station AGM; Agam West Sumatra Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-11-17,05:21,7.0,-0.204,100.32,850,BRIN multistation SQM 2018 (AGM),Per-night SQM observation; station AGM; Agam West Sumatra Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-04-28,04:17,7.0,-0.008,109.365,10,BRIN multistation SQM 2018 (PTK),Per-night SQM observation; station PTK; Pontianak West Kalimantan Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-12,04:23,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-17,04:51,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-06-20,05:00,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-07-12,04:58,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-07-18,05:01,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-08-10,04:50,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-09-08,04:34,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-09-09,04:36,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-09-12,04:34,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-10-07,04:16,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-10-21,04:21,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset
fajr,2018-11-06,04:39,9.0,1.1774,136.101,10,BRIN multistation SQM 2018 (BIK),Per-night SQM observation; station BIK; Biak Papua Indonesia; inflection-point Fajr detection; moonless nights only; Damanhuri & Mukarram LAPAN 2022 dataset