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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 ResearchGate message to Tono Saksono / UHAMKA Jakarta)
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Subject: Request for Per-Night Data from "Premature Dawn" Multi-Site SQM Study
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Assalamu alaykum wa rahmatullahi wa barakatuh,
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My name is Ali Camarata. I am an independent researcher building an open-source dataset of verified Fajr observations for empirical Islamic prayer time modeling.
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Your "Premature Dawn" research series with ISRN/UHAMKA, covering SQM observations across 6 Indonesian sites (Padang, Batusangkar, Cirebon, Balikpapan, Bitung, Manokwari), is one of the most geographically diverse Fajr studies in Indonesia. The spread from Sumatra to Papua provides exceptional longitude coverage.
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Would you or your co-authors be willing to share the per-night observation data from these campaigns? For each observation night, I need:
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- Site name
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- Calendar date
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- Locally observed time of Fajr onset (morning SQM inflection)
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- Sky condition notes (if available)
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Our project: https://github.com/acamarata/pray-calc-ml
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Current dataset: 4,200+ Fajr observations from 140+ sites across 20+ countries.
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Your multi-site data would significantly improve our coverage of the equatorial Indonesian archipelago, where longitude effects on prayer timing are particularly important.
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Full attribution to all authors and UHAMKA in our open-source repository.
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Jazakallahu khairan,
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Ali Camarata
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alisalaah@gmail.com
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