白云积光 / 连续228秒 / 素材002

Source: Cloud timelapse — John Fowler (away).
CC BY 2.0: https://creativecommons.org/licenses/by/2.0/
Source page: https://commons.wikimedia.org/wiki/File:Cloud_timelapse.webm
Author source: https://www.flickr.com/photos/snowpeak/35378829553/
Original SHA1: ad983a1311132d392534b397a19fac331b778a42
Original SHA256: a9d1201aec3cef2cc2d25b6fa861c63cb6fbc29b87f19fa6d264c3eaa73136e4
Original preserved in 01_源素材与授权/fowler.

Required credit: “Cloud timelapse” — John Fowler (away), CC BY 2.0;
fixed-cropped, downscaled, slowed and colour graded for 如命.
Keep title, author, source URL, license URL and modification notice with reuse.
The author does not endorse this product.

1920×1080 /30fps /6840 frames /228 seconds /no audio.
Source native0..855 at30000/1001fps; source-state span28.5285 seconds.
Fixed original crop left480,top400,width2880,height1620. Never pans/zooms.
Speed0.125125 with linear interpolation of adjacent moving source frames.
Exact previously approved32³ LUT, SHA256:
3548f3f2ad98ba64f63de2976dab19e5b56429d6dc1673d0889a9c9e46916c04
No loops, reverse, static photo fades or synthetic cloud compositing.
This original is already timelapse; capture interval and true elapsed capture
time are unverified. This is not current local weather or AI simulation.

One complete encode avoids independently restarted H264 texture boundaries.
V26 interval is within output120..180s; continuation is180..228s.
Approved V26 file is not modified. Do not concatenate it with the old001
candidate, which failed its independent boundary check.
Full decode and internal boundaries120/180s passed; see qa.json and seam-qa.json.
Slight edge ghosting from adjacent-frame interpolation can remain.
Actual decoded contact sheet order:0s /76s /152s /227.9666667s.
MP4 SHA256:330cdbd12d275a0405f011f45913a00187e35ab3e9bf7c1a0a544a8371ec3e9d

228s is display duration, not228s of independent native footage.
This overlaps all Fowler excerpts already in this library. Count their union,
not the sum. This contributes one cloud direction, not multiple times of day.
No evidence it can be joined with unrelated photographers as one continuous day.


Source: Zeitraffer – Wolken über Hof (Saale) kommen und gehen 20240523.webm
Author: PantheraLeo1359531; own work published on Wikimedia Commons.
Source page: https://commons.wikimedia.org/wiki/File:Zeitraffer_%E2%80%93_Wolken_%C3%BCber_Hof_(Saale)_kommen_und_gehen_20240523.webm
License: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
Commercial reuse and adaptation allowed with attribution, a license link and a modification notice. No blanket legal-clearance or author-endorsement claim.
Required visible credit: Video: PantheraLeo1359531 — CC BY 4.0. Changes: fixed crop, uniform 2:1 downsampling, adjacent moving-source-state slow interpolation, H264 encoding. No additional color grade.
Unmodified original, source-page/API/license-page/download-header evidence: 01_源素材与授权/hof-clouds-2024. No duplicate download.
Original: 9504 × 6336, 60fps, 2000 frames, 2980329615 bytes.
Original SHA1=3fb77f3732a12c07012b095d0989f428581b6be4, matched to Commons metadata.
Original SHA256=8d1e1b37a50860e239e02a20f68dae281ca82875889af68af60caa0621db9f82.
Capture metadata: author states 2000 photographs, one photograph per second, encoded 60 times faster. Date/site: 2024-05-23, Hof (Saale), Germany, 11:40:27.234..12:14:07.545. Timing not independently calibrated. Source already rendered by its author, not unprocessed RAW.
020 fixed original crop [4500,1400,3840,2160], uniform 0.5 spatial scale to 1920 × 1080. No changing crop, stretched clouds, whole-image pan/zoom, static-picture switching, reversing or looping. Former wide-field green lens flare is outside reviewed samples; no retouching. Minor airborne specks are not classified as meteors.
New 24-second benchmark: native states786..810;0.4 encoded source seconds,24 photographic intervals per author metadata.
360-second delivery: native states666..1026;6 encoded source seconds,360 photographic intervals per author metadata. One continuous encode, not concatenated MP4s. Original014120-second states666..786 are fully contained; original014file remains unchanged and is excluded from active totals after admission. Added unique span vs014 is4 encoded source seconds, about240 photographic intervals per author metadata. Benchmark contained in delivery, not counted separately.
Adjacent-state linear blending may retain slight cloud-edge ghosting. Some bright cloud highlights are clipped in the original. Output is an independent German camera option, not current local weather, not a joined US/France/Germany whole day, not12hours of unique sky, not an external or loop-join certification.
License checked2026-10-09 from the particular Commons file and preserved evidence. Internal derivative020shares the same acquired source as013/014; it does not add a raw-source or direction count.


La Silla Milky Way time-lapse
Source: https://www.eso.org/public/videos/brunier_la_silla/
Download: https://cdn.eso.org/videos/ultra_hd/brunier_la_silla.mp4
Full unmodified credit: ESO/S. Brunier
License: Creative Commons Attribution 4.0 International under ESO public footage policy
License URL: https://creativecommons.org/licenses/by/4.0/
Official usage conditions: https://www.eso.org/public/outreach/copyright/
Checked: 2026-10-09 UTC. Saved source-page.html and official-usage.html.

Official page body permits fee-free commercial reuse/adaptation with complete clearly visible readable credit to all users, unaltered wording, active online links, source/license and modification notice. Credit must not be hidden or disassociated from footage. A sidecar alone is not sufficient for product display. Do not imply ESO endorsement; no ESO logo or identifiable-person commercial reuse. Declare AI modifications if any; this production makes none. Metadata description still says CC3; current body explicitly says CC4, used here. No source-specific exception observed.

Original preserved unchanged: original.mp4
Bytes: 114003056
SHA256: f8ce0c5e1ed1eb24aaa9ba4feeddeb48f5421f716f1f35076bb22ec3e227c52e
SHA256 matches official page's H264/4K download checksum, not the separate broadcast AVI.
Local SHA1: dd0a591832a41c23a67d9bc22c93ef700a7fa724 (not claimed as publisher-verified).
Actual decode: 3840x2160,25fps,440frames,17.6 encoded seconds. Page lists30fps; use actual25.
This is the 114MB H264 public original, not RAW or the 2.8GB broadcast AVI.

Four actual original decoded samples0/146/292/439 retain observatory landmark positions: sampled fixed-camera evidence only, not full-frame geometric calibration. Night crop fixed at original[900,80,1920,1080], uniform scale1, avoids buildings in native132/144/162/192 actual full-frame/crop checks. No spatial animation, stabilization, star painting, recoloring, reverse or loop.
Derivative: adjacent genuine moving source states linearly mixed at0.02 encoded speed to1920x1080/30fps. Star-edge ghosting and photographic grain/compression may remain. Capture interval and photographic real duration unknown; encoded source span is not actual night elapsed time. La Silla, Chile is an independent camera option, not local live weather or a joined whole day. Published plane streaks are not certified meteors; no aurora claim.

Delivery gate: short actual decode and visual review before any120s expansion; unverified output stays03. Product engineer must reproduce full ESO/S. Brunier credit visibly for all users with active source/license links and modifications. Offline preview places these beside the video. Library admission is technical/self-review, never human approval.

Web delivery: full-duration 1920×1080 H.264 compression at 1.2Mbps.