mirror of
https://github.com/acamarata/pray-calc-ml.git
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c1eeef53c4
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
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To: (via openfajr.org contact form or social media)
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Subject: Question About OpenFajr Data for Other UK Cities
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Assalamu alaykum,
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My name is Ali Camarata. I am a researcher working on an open-source twilight observation dataset for empirical prayer time modeling.
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The OpenFajr Birmingham project has been the single most valuable data source in our research. Your community-verified Fajr observations (approximately 4,000 dated records from Birmingham) form the backbone of our dataset.
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I have two questions:
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1. Do OpenFajr feeds exist for other UK cities? The Birmingham Google Calendar iCal feed provides daily verified Fajr times. If similar feeds exist for Bradford, Leicester, Manchester, London, Sheffield, Glasgow, or any other city, they would dramatically expand our geographic coverage at northern latitudes.
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2. Is there any plan to expand to other cities or countries? If so, I would be happy to help or collaborate.
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Our project: https://github.com/acamarata/pray-calc-ml
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Your Birmingham data currently makes up approximately 95% of our 4,200-record Fajr dataset. Expanding to additional UK cities would significantly improve the dataset's ability to model latitude-dependent twilight angles.
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Jazakallahu khairan,
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Ali Camarata
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alisalaah@gmail.com
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