File:Distrail splits stratocumulus cloud - remnants of contrail visible ( DSC2134-1).jpg
![File:Distrail splits stratocumulus cloud - remnants of contrail visible ( DSC2134-1).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Distrail_splits_stratocumulus_cloud_-_remnants_of_contrail_visible_%28_DSC2134-1%29.jpg/800px-Distrail_splits_stratocumulus_cloud_-_remnants_of_contrail_visible_%28_DSC2134-1%29.jpg?20190621165009)
Original file (7,952 × 5,304 pixels, file size: 8.87 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionDistrail splits stratocumulus cloud - remnants of contrail visible ( DSC2134-1).jpg |
English: This distrail within the outer regions of a stratocumulus cloud was caused by the jet wake of a low-flying aeroplane. Seen from Aplerbeck, Dortmund, June 2019. The contrail, which is the primary turbulence zone caused by the jet engine, is discernable as a narrow, contorted white vortex just above the lower edge of the transparent wake approximately halfway from centre to top right.
Deutsch: Der vorliegende "Negative (Wolken-)Streifen" im Randbereich einer Stratocumuluswolke wurde von einem auf niedriger Höhe fliegenden Luftfahrzeug verursacht. Beobachtet in Aplerbeck, Dortmund in Juni 2019. Der initiale Kondensstreifen, der vom Triebwerk verursacht wurde, ist hier als schmaler, verdrehter Wirbelstreifen knapp oberhalb des unteren Rands des wolkenfreien Streifens rechts oberhalb der Mitte sichtbar. |
Date | Taken on 16 June 2019, 17:30:23 |
Source | Own work |
Author | Franz van Duns |
Camera location | 51° 28′ 40.8″ N, 7° 33′ 18″ E ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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The Original Barnstar | For uploading File:Distrail splits stratocumulus cloud - remnants of contrail visible ( DSC2134-1).jpg, a valuable, well-described and usefully-documented contribution. Many thanks! Ariadacapo (talk) 17:58, 5 July 2019 (UTC) | ![]() |
Annotations InfoField | This image is annotated: View the annotations at Commons |
Remnant of the primary contrail within the distrail. A narrow, contorted white vortex just above the lower edge of the transparent wake.
Presumably another trace of the primary contrail. The white vortex almost merging with the cloud's edge.
Additional Information
[edit]en: Distrail within the outer regions of a stratocumulus cloud.
- Image taken at location: Aplerbeck, Dortmund, Germany on June 21st, 2019.
- Elevation of cloud approx. 2,000 metres.
- Angle of view: approx. 20° from zenith.
- Low-flying jet aeroplanes typically cross over on waiting loops before approaching either Dortmund, Münster, or Düsseldorf airport.
- Due to the the quick response after formation, the high viewing angle, the moderately telescopic lens (135mm), and a quantum of good luck the high-resolution sensor (7952x5304 pixels) could capture not only the distrail in great detail (see Contrail#Distrails), but also a short section of the initial contrail (see active areas within image) before it disappeared behind the edge of the cloud seconds later.
de:
- Aufnahmeort: Dortmund-Aplerbeck, Deutschland, 21. Juni 2019.
- Wolkenunterkante geschätzt auf 2.000 Meter.
- Beobachtungswinkel ca. 20° zum Zenit.
- Flugzeuge überfliegen Dortmund häufig in niedriger Höhe auf Warteschleife vor dem Anflug auf Dortmund, Münster oder Düsseldorf Flughafen.
- Nur die Kombination von schneller Reaktion, erhöhtem Aufnahmewinkel mit einem moderaten Teleobjektiv (135 mm) und etwas Glück hat dazu geführt, dass nicht nur der Negative Streifen, sondern auch ein kurzer Abschnitt des auslösenden Kondensstreifens (siehe aktiven Bereich im Bild) in hoher Auflösung (7952x5304 Pixel) abgelichtet wurde, bevor dieser binnen Sekunden hinter dem Wolkenrand verschwand.
Technical Details / Making of this Image
[edit]- [1] Camera: Sony Alpha 7RII, 36 Mpixels, sensor size 7952x5304 pixels.
- [2] Lens: Sigma 135mm F1.8 DG HSM. Adapter: Sigma MC-11 Canon EF-E.
- [3] Scope: Focus distance: infinite.
- [4] Camera / lens settings: aperture priority, mechanical shutter, ISO 100, 1/2500s, aperture 6.3, bias (=exposure compensation) -1.00, WB (white balance) AUTO, colour space 'sRGB'.
Links
[edit]Wikipedia en: Contrail#Distrails
Wikipedia de: Negativer (Wolken-)Streifen
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:50, 21 June 2019 | ![]() | 7,952 × 5,304 (8.87 MB) | Franz van Duns (talk | contribs) | User created page with UploadWizard |
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File usage on Commons
The following 5 pages use this file:
File usage on other wikis
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | SONY |
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Camera model | ILCE-7RM2 |
Author | Franz van Duns |
Copyright holder |
|
Exposure time | 1/2,500 sec (0.0004) |
F-number | f/6.3 |
ISO speed rating | 100 |
Date and time of data generation | 17:30, 16 June 2019 |
Lens focal length | 135 mm |
User comments | 16-bit RAW (.ARW), bias(=exp.comp.) -1.0: 1. Lightroom (a) Preset 003 (Presence+reduced Sharp+NoiseRed), temp.4850>5100, exp.+0.99, contr.+20, highl.-20,shad.-20, wh.-30, bl.-11, dehaze+11, sat.-24, HSL~Lum~bl-41; 2. 16-bit DNG Photoshop (a) removed sensor spots. |
JPEG file comment | Camera: SONY Alpha 7RII (ILCE-7RM2); Lens: Sigma Canon 135mm F1.8 DG HSM | Art 017 + MC11 EF-E adapter; Angle-of-view: diag. 18.2, horiz. 15.2, vert. 10.2; ISO: 100; Exposure Program: Aperture-priority AE; F Number: 6.3; Exposure Time: 1/2500; cloud layer elevation estimated at 2000 metres above ground |
Orientation | Normal |
Horizontal resolution | 190 dpi |
Vertical resolution | 190 dpi |
Software used | Adobe Photoshop CC 2019 (Windows) |
File change date and time | 15:26, 21 June 2019 |
Exposure Program | Aperture priority |
Exif version | 2.31 |
Date and time of digitizing | 17:30, 16 June 2019 |
APEX shutter speed | 11.287712 |
APEX aperture | 5.310704 |
APEX brightness | 11.4 |
APEX exposure bias | −1 |
Maximum land aperture | 1.6953125 APEX (f/1.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 2,164.432800293 |
Focal plane Y resolution | 2,164.432800293 |
Focal plane resolution unit | 3 |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 135 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Lens used | 135mm F1.8 DG HSM | Art 017 |
Date metadata was last modified | 17:26, 21 June 2019 |
Rating (out of 5) | 0 |
Unique ID of original document | ERASED |