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8 results for “auroral image”
Suomi 100 satellite's images: The auroral and the star images
<p><strong>Spacecraft: </strong>Suomi 100</p> <p><br> <strong>Instrument: </strong>Camera</p> <ul> <li>White light RGB camera</li> <li>Resolution: 2048 x 1536 pixels</li> <li>Angle of view: 43.6° x 33.4° (horizontal x vertical)</li> </ul> <p><strong>On-board data processing</strong>:</p> <ul> <li>Debayering</li> <li>Color correction</li> <li>Gamma correction (gamma=2.2, gamma-break: 0.1)</li> <li>JPEG compression</li> </ul> <p><strong>Data</strong>: Three images</p> <p> 1. The auroral image: Original (ID: 001229, rotated 180°)</p> <ul> <li>File: img001229.jpg</li> <li>Imaging time: January 22, 2019, 18:08:20 UT</li> <li>Location: 62.17°N, 47.64°E, 582865 m (WGS84)</li> <li>Attitude: heading -31.21°, tilt 68.89°, roll -1.85°</li> <li>Integration time: 2.4 seconds</li> <li>Sensor gain: x128</li> </ul> <p> 2. The auroral image: Processed version (<em>see Knuuttila et al., JoSS, 2022, for details</em>)</p> <ul> <li>File: img001229_processed.png</li> <li>Inverted on-board data processing (excl. debayering)</li> <li>Subtracted the star image (ID: 001264) to compensate warm pixel effec</li> </ul> <p><br> 3. The original star image used for background subtraction (ID: 001264)</p> <ul> <li>File: img001264.jpg</li> <li>Imaging time: January 23, 2019, 18:13 UT</li> <li>Attitude: declination -1.3°, right ascension 97.1°, celestial north clock angle -21.8° (J2000)</li> <li>Integration time: 1.6 seconds</li> <li>Sensor gain: x32</li> </ul>
The Longyearbyen all-sky camera full resolution image data (movie and four ASC data plots) used in the paper entitled "Auroral Morphological Changes to the Formation of Auroral Spiral during the Late Substorm Recovery Phase: Polar UVI and Ground All-Sky Camera Observations"
<p>The uploaded movie is an animation of the Longyearbyen all-sky camera (ASC) full resolution image data from 20:00 UT to 22:00 UT, which is including all ASC snapshots used in Figure 2. This movie file is the same as Movie S1. </p> <p>The uploaded four png files are the Longyearbyen all-sky camera (ASC) full resolution image snapshots, which were used in Figure S3.</p> <p>The numerical ASCII data to make the four ASC full resolution image snapshots are also uploaded; the count number of data detected by the ASC and associated latitude and longitude information in geographical coordinates of the ASC field of view.</p>
Classifications of auroral phenomena in THEMIS All-Sky images obtained via self-supervised learning
Open the record for dataset details and reuse information.
Dataset for "Data-driven empirical conductance relations during auroral precipitation using incoherent scatter radar and all sky imagers" JGR-Space Physics
<p><strong>Dataset for "Data-driven empirical conductance relations during auroral precipitation using incoherent scatter radar and all sky imagers" JGR-Space Physics.</strong></p> <p>Processed ACF level data can be provided by contacting me.</p> <p><strong>DOI of the publication:</strong></p> <p><strong>README file:</strong></p> <p>PFISRInversions_ASI_v1.1_Fang_01042023_v08162023.h5</p> <p>HallConductance: Altitude integrated Hall Conductance from 85-150 km altitude, [ntime], mho<br> PedersenConductance: Altitude integrated Pedersen Conductance from 85-150 km, [ntime], mho<br> EnergyFlux: Energy flux after integrating the differential number flux, [ntime], W/m^2<br> AverageEnergy: Average Energy after integrating the differential number flux, [ntime], eV<br> Measured_ElectronDensity: measured electron density from PFISR, [ntime, naltitude], #/m^3<br> Modeled_ElectronDensity: modeled electron density produced by the MEM version, [ntime,naltitude], #/m^3<br> UnixTime: time in seconds since 1970-01-01 00:00:00 UT, [ntime], seconds<br> NumberFlux: differential number flux, [ntime, nenergy], #/m^2 s^-1 eV^-1<br> EnergyGrid: energy grid spanning 1 keV - 100 keV in 25 steps, [nenergy], eV<br> ASIStatus: auroral identification number, [ntime], no units<br> 1: Discrete aurora<br> 2: Diffuse aurora<br> 3: Pulsating aurora<br> 8: Unidentified aurora<br> -1: data that was flagged as unsuitable:<br> either TEC was too low (no auroral E-region possibly associated with red aurora),<br> the modeled electron density was not consistent at all with the observed electron density (bad fit)</p> <p>ASIYEAR-Final_date.xlsx<br> This is an excel file that contains the original auroral image identification near the zenith direction<br> We used all sky imager videos located: http://optics.gi.alaska.edu/realtime/data/MPEG/PKR_DASC_256/<br> These files were converted into python pickle files and used internally for the rest of the investigation.</p> <p>The columns corresponds to days, and the rows correspond to time in UT as decimal hours:<br> The ASI Key is the following:<br> # 1 Discrete<br> # 2 Diffuse<br> # 3 Pulsating<br> # 4 Cloudy/Clear<br> # 5 Moon<br> # 6 Possible faint Aurora with moon out<br> # 7 Substorm Breakup<br> # 8 Cloudy with aurora (can't make out type)</p>
Data for 3 Swarm-E Fast Auroral Imager Passes Observing the ICEBEAR Radar Field of View
<p>Files containing data for 3 Swarm-E satellite passes observing the Ionospheric Continuous-wave E-region Bistatic Experimental Auroral Radar (ICEBEAR) field of view during semi-active geomagnetic conditions using the Fast Auroral Imager. The dates and times of the passes are:</p> <p>2018-03-10 05:21:00-05:26:00 UT<br> 2019-10-27 04:03:00-04:13:00 UT<br> 2020-03-19 09:00:00-09:04:00 UT</p>
Multi-wavelength auroral images
<p>data of multi-wavelength auroral images</p>
Raw images used in "Sub-Auroral Green STEVE Arcs – Evidence for Low Energy Excitation"
<p>These are the two raw STEVE images used in the manuscript, included for replicability.</p>
DE 1 Spin-Scan Auroral Imager UV Images
This data set contains ultraviolet images in quasi-logarithmically compressed counts from the vacuum ultraviolet imaging photometer of the Spin-Scan Auroral Imager (SAI) flown on DE 1. The time resolution was 3 to 12 minutes per image. Also included are the GCI position vector, velocity vector and spin axis of the spacecraft. Data are available in CDF format from CDAWeb.
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International Brain Laboratory public data
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OpenNeuro
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