File:Between Two Skies (ann22042ai).tiff
Original file (2,464 × 1,632 pixels, file size: 3.46 MB, MIME type: image/tiff)
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Summary
[edit]DescriptionBetween Two Skies (ann22042ai).tiff |
English: Image title: Between Two Skies Author: Fabrizio Melandri Country: ItalyTaken from Narrabri, Australia, in April 2014, this photograph shows a meteor next to the Large Magellanic Cloud and the reflection of all this in the water.The Magellanic Clouds are named after the Portuguese explorer Ferdinand Magellan, who made the first maps of the southern part of South America in the early 16th century but did not survive his expedition voyage. His shipmates called the two nebulae after him, and it was only in the 20th century that astronomy research discovered that they are in fact dwarf galaxies accompanying our own.In the 18th century, the French mathematician J-N. Lacaille, who lived in South Africa for some years in order to draw maps of the sky and the land, invented some new constellations. He measured the positions of some faint stars and listed them in his star catalogue, but did not try to overlay beautiful drawings of real-world objects on the star patterns, so he could name them however he wanted. He was based in the trade station that is now the city of Cape Town and, from this bay, Table Mountain is visible. Lacaille learned from the navigators that they used the clouds around this mountain to predict whether or not the wind would blow in the correct direction and allow for sailing. Normally, there is a huge white cloud at the top of Table Mountain, so Lacaille considered the larger one of the two dwarf galaxies not a “Magellanic Cloud”, but the cloud at Table Mountain. Consequently, he invented the constellation “Mensa”, Table Mountain, in the small area of faint stars directly attached to this dwarf galaxy.Also see image in Zenodo: https://doi.org/10.5281/zenodo.7425545 |
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Date | 15 December 2022 (upload date) | ||
Source |
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Author | Fabrizio Melandri/IAU OAE | ||
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Licensing
[edit]This media was created by the International Astronomical Union (IAU).
Their website states: "The images, videos and web texts on iau.org are released under the Creative Commons Attribution 4.0 International License and may on a non-exclusive basis be reproduced without fee, on the conditions outlined below." Conditions:
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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current | 23:01, 27 June 2023 | 2,464 × 1,632 (3.46 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://www.iau.org/static/archives/images/original/ann22042ai.tif via Commons:Spacemedia |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D7000 |
Author | Fabrizio Melandri |
Exposure time | 15/1 sec (15) |
F-number | f/2.8 |
ISO speed rating | 4,000 |
Date and time of data generation | 15:11, 27 April 2014 |
Lens focal length | 24 mm |
Width | 2,464 px |
Height | 1,632 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 35 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 24.0 (Windows) |
File change date and time | 09:27, 1 December 2022 |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 15:11, 27 April 2014 |
Meaning of each component |
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Image compression mode | 2 |
APEX shutter speed | −3.906891 |
APEX aperture | 2.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 0 APEX (f/1) |
Metering mode | Pattern |
Light source | Cool white fluorescent (W 3900 – 4500K) |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 36 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Unique image ID | 0A602998624F4E88A8AE838E23C40D2B |