STS040-76-2
| NASA Photo ID | STS040-76-2 |
| Focal Length | 50mm |
| Date taken | 1991.06.07 |
| Time taken | 09:14:04 GMT |
Cloud masks available for this image:
Spacecraft nadir point: 39.1° N, 15.8° E
Photo center point: 38.0° N, 15.0° E
Photo center point by machine learning:
Photo center point: 38.0° N, 15.0° E
Photo center point by machine learning:
Nadir to Photo Center: Southwest
Spacecraft Altitude: 155 nautical miles (287km)
Country or Geographic Name: | SICILY |
Features: | STR. MESSINA, TOE ITALY |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | 25 (11-25)% |
Sun Elevation Angle: | 63° |
Sun Azimuth: | 119° |
Camera: | Hasselblad |
Focal Length: | 50mm |
Camera Tilt: | 28 degrees |
Format: | 5017: Kodak, natural color positive, Ektachrome, X Professional, ASA 64, standard base |
Film Exposure: | Normal |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 5700 pixels | 6000 pixels | No | No | Download Image | |
| 500 pixels | 526 pixels | No | No | Download Image | |
| 640 pixels | 480 pixels | No | No | Download Image |
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Image Caption: STS040-610-39 & STS040-76-2: Sicily, Lenticular Clouds.
Rarely does the Space Shuttle photography capture individual cloud features as did these two images. This lenticular cloud is formed in the crest of a standing wave generated from wind flowing over Mt. Etna, Sicily. Aircraft flying through similar cloud features often report moderate to severe turbulence due to sharp changes in both vertical and horizontal wind flow over a small area.
Rarely does the Space Shuttle photography capture individual cloud features as did these two images. This lenticular cloud is formed in the crest of a standing wave generated from wind flowing over Mt. Etna, Sicily. Aircraft flying through similar cloud features often report moderate to severe turbulence due to sharp changes in both vertical and horizontal wind flow over a small area.
