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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
27 lines
1.6 KiB
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27 lines
1.6 KiB
Text
To: (via ResearchGate message to Kassim Bahali / Bahali Kassim)
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Subject: Request for Additional DSLR Twilight Observation Data — Open-Source Prayer Time Research
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Assalamu alaykum,
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My name is Ali Camarata. I am an independent researcher building an open-source global dataset of verified Fajr twilight observations.
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Your DSLR photometry work across Malaysian and Indonesian coastal sites is some of the most valuable per-night observation data in the published literature:
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- Kassim Bahali (2018), Sains Malaysiana 47(11):2877-2885 (Pekan, Kuala Terengganu)
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- Kassim Bahali et al. (2019), JATMA 7(2):37-48 (21 sites across Malaysia, Indonesia, Thailand)
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I have extracted all per-date observations from both papers (approximately 90 individual site-night records) and they form a core part of our Malaysian/Indonesian dataset.
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I am writing to ask:
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1. Do you have additional observation nights beyond what was published in these two papers? Many DSLR campaigns produce more nights than are included in the final publication tables.
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2. Have you conducted any Isha (evening twilight / Shafaq al-Abyad) observations? Our Isha dataset is critically small (only 19 records globally) and Malaysian coastal sites would be ideal.
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3. Are there any more recent campaigns (2020-2025) at new sites?
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Even 10-20 additional per-night records would meaningfully expand the dataset.
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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, with Malaysian east-coast sites well represented thanks to your work.
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Jazakallahu khairan,
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Ali Camarata
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alisalaah@gmail.com
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