Comet C/2015 V2 (Johnson)
Taken by Sergio Ilovaisky on May 24, 2017 @
Vachères, Alpes de Haute-Provence, France
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2017:05:25 16:23:38
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Details:
Stack of 14x120s exposures of Comet C/2015 V2 (Johnson), obtained on 2017 May 24 between 20:45 and 21:15 UT.
TS-Optics 80mm APO f/6.8 and Canon 6D @ ISO1600 on an HEQ-5 Pro mount. An Ultrastar CCD camera on an Orion 50mm scope was used for guiding.
Images were dark subtracted, flat-fielded and normalized. They were stacked centered on the comet. North is at the top and East to the left. Width of cropped image is 2.5 degrees. The dust tail extends some 30 arc-min to the NW, pointing almost sunward (Sun vector is at the one o'clock position). The brightest star at upper right is HD131764 (V=6.8) and the star immediately to the right of the comet is HD132358 (V=8.3).
Photographer's website:
No URL provided.
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