Switch monthly phase close-ups to NASA SVS Dial-a-Moon at fullscreen
The previous east-flavored composite (tight-crop east region + lunar texture overlay) was honest but visually limited: 38-px source moon, no real terminator shadows on quarters, and a faint upscaled-halo background that was less compelling than just a clean lunar render. New flow: - East stays the witness (verifies the moon was visible during the collection window) and supplies the timestamp. - moon_dialamoon.py fetches the NASA SVS Dial-a-Moon render for that exact UTC hour. Free, public-domain, real-physics: correct phase, libration, and crater shadows for any timestamp. - moon_composite.render_phase_closeup() places that render at ~92% of frame height on a 1920x1080 black background -- the long-telephoto look the user asked for. - One API call per phase event (~36/year), cached forever in moon-ref/dialamoon/. Quarter moons now show real 3D crater shadows along the terminator, which the prior algorithmic phase-shadow couldn't simulate from a full-moon reference. Adds MOON_REQUIRE_EAST_VERIFY=true|false toggle so the user can choose "only post when east saw it" (default, current behavior) vs "post every cycle regardless of weather over east." Drops the install-time lunar reference download (no longer needed) and the now-unused per-phase phase-shadow path stays in moon_composite.py for reference / future reuse. https://claude.ai/code/session_015PBVDESC3KLMbq1LpA6qLn
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Claude
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@@ -52,12 +52,13 @@
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# a tracked sequence, stitches into an mp4
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#
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# moon-phase-monthly.sh — daily at SCHEDULE_MOON_PHASE (SUNRISE_CAM only)
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# no-ops except on phase post-days, when it picks
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# the best east frame from the collection window,
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# composites a high-res lunar texture into it,
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# and posts to Mattermost. Handles full moon,
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# first quarter (waxing half), and third quarter
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# (waning half).
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# no-ops except on phase post-days, when it
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# confirms east saw the moon during the
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# collection window, fetches NASA SVS Dial-a-Moon
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# for that exact UTC hour, renders the moon
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# full-screen on a black background, and posts to
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# Mattermost. Handles full moon, first quarter
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# (waxing half), and third quarter (waning half).
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#
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#
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# install.sh — run once at setup, and again if this file changes
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@@ -448,19 +449,23 @@ AMBIENT_RETENTION_DAYS=30 # global default; 0 = keep forever
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# 🌕 Full Moon posts D + MOON_FULL_POST_DELAY_DAYS
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# 🌓 First Quarter posts D + MOON_QUARTER_POST_DELAY_DAYS
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# 🌗 Third Quarter posts D + MOON_QUARTER_POST_DELAY_DAYS
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# Each picks the frame closest in time to the
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# exact phase moment that meets quality / altitude
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# / illumination thresholds, composites the
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# cached lunar texture into it (sky/halo/angle
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# real from east, surface detail borrowed),
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# uploads to Mattermost. Output:
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# East acts as the WITNESS — it confirms the moon
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# was actually visible in your sky during the
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# collection window and supplies the timestamp.
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# The image itself is a NASA SVS Dial-a-Moon
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# render for that exact UTC hour, sized to fill
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# the frame on a black background (like the look
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# of a long-telephoto shot). Output:
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# $MOVIES_DIR/<cam>/full-moons/YYYY-MM-full.jpg
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# $MOVIES_DIR/<cam>/first-quarter/YYYY-MM-first-quarter.jpg
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# $MOVIES_DIR/<cam>/third-quarter/YYYY-MM-third-quarter.jpg
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#
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# Honest-by-design: the surface texture is not from your camera (no software
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# can recover detail your camera didn't capture). The framing — sky color,
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# halo, parallactic angle, exact moment of capture — is all real-from-east.
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# Honest-by-design: a 38-px white blob from a wide-field IP camera cannot be
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# enhanced into crater detail. The image you see in Mattermost is a NASA
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# render for the exact moment east captured the moon — the strongest possible
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# match for what your sky actually looked like, with full real-physics
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# crater shadows, libration, and phase. East's role is verifying that you
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# had a clear view of the moon that night.
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#
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# Geometry caveat: east only sees the eastern sky. At first quarter the moon
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# is up only from noon to midnight, transiting south at sunset, so east only
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@@ -475,6 +480,11 @@ MOON_FULL_ENABLED=true
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MOON_FIRST_QUARTER_ENABLED=true # set false if daytime-detection misses are noisy
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MOON_THIRD_QUARTER_ENABLED=true
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# Set false to skip east verification entirely and post the NASA render for
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# the exact phase moment regardless of clouds / camera outage. Default true
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# means "only post when east actually saw the moon that month."
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MOON_REQUIRE_EAST_VERIFY=true
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# Nightly tracker tuning ──────────────────────────────────────────────────────
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MOON_TRACK_CROP_PX=480 # pixels — box size around the moon (source coords)
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MOON_TRACK_FPS=12 # output mp4 framerate
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@@ -486,25 +496,33 @@ MOON_TRACK_RETENTION_DAYS=90 # delete tracker mp4s older than this; 0 = fo
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# nights to be on disk, then runs the morning of D+3.
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MOON_FULL_POST_DELAY_DAYS=3
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# Quarter (half-moon) tuning ──────────────────────────────────────────────────
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# 2 = waits for D-1, D, D+1 nights, runs the morning of D+2.
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MOON_QUARTER_POST_DELAY_DAYS=2
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MOON_QUARTER_MIN_ILLUMINATION=0.40 # ~50% ± 10% covers the day around exact quarter
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MOON_QUARTER_MAX_ILLUMINATION=0.65
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# Frame-acceptance thresholds — a candidate must beat all three to qualify.
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# Lower = more permissive (accept hazier nights / lower moon). If you find
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# the script never finds a clear shot, loosen these.
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MOON_FULL_MIN_QUALITY=0.55 # 0..1 from moon_detect (roundness × halo × isolation)
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MOON_FULL_MIN_ALTITUDE_DEG=15 # below this the moon is in trees / on the horizon
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MOON_MIN_QUALITY=0.55 # 0..1 from moon_detect (roundness × halo × isolation)
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MOON_MIN_ALTITUDE_DEG=15 # below this the moon is in trees / on the horizon
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MOON_FULL_MIN_ILLUMINATION=0.95 # 0..1 — ~95% lit covers ±2 days from exact full
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# Output frame. Default 1920×1080 to match the sunrise videos.
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MOON_FULL_OUTPUT_W=1920
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MOON_FULL_OUTPUT_H=1080
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MOON_FULL_HEIGHT_PCT=0.70 # moon disk fills this fraction of frame height
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MOON_OUTPUT_W=1920
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MOON_OUTPUT_H=1080
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MOON_HEIGHT_PCT=0.92 # moon disk fills this fraction of frame height (full-screen feel)
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# Lunar reference texture — downloaded once by install.sh, reused forever.
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# Override MOON_REFERENCE_URL in .env to use a different image. Any high-res
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# photo of a full moon on a black background works. Default is the Wikipedia
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# "FullMoon2010" by Gregory H. Revera (CC BY-SA 3.0), 3500×3500.
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#MOON_REFERENCE_URL=https://upload.wikimedia.org/wikipedia/commons/e/e1/FullMoon2010.jpg
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#MOON_REFERENCE_DIR="$SCRIPT_DIR/moon-ref"
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#MOON_REFERENCE_PATH="$MOON_REFERENCE_DIR/full-moon.jpg"
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# NASA SVS Dial-a-Moon ────────────────────────────────────────────────────────
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# Hourly pre-rendered moon images, free, public domain, real physics
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# (correct phase, libration, crater shadows for any UTC hour).
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# https://svs.gsfc.nasa.gov/api/dialamoon/<ISO-DATE>
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# We hit it once per phase event (~36 calls/year), cache the result forever.
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#MOON_DIALAMOON_API=https://svs.gsfc.nasa.gov/api/dialamoon
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#MOON_DIALAMOON_CACHE_DIR="$SCRIPT_DIR/moon-ref/dialamoon"
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MOON_DIALAMOON_TARGET_PX=2048 # cached PNG longest side; downsampled on save
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MOON_DIALAMOON_TIMEOUT_SEC=30
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# ── Mattermost — daily sunrise upload ─────────────────────────────────────────
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# mattermost_url, access_token, channel_id go in .env (see bottom of this file).
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