C/2025 R2 SWAN on September 16, 2025
Taken by Alessandro Carrozzi on September 16, 2025 @
El Sauce Observatory, Chile
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2025:09:18 18:38:36
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Details:
The photo has been taken remotely from El Sauce Observatory, Chile.
This is a long-period comet recently discovered from images taken by the SWAN instrument on board the SOHO spacecraft. At present, it lies relatively close to the Sun and can be observed shortly after sunset, more easily from the southern hemisphere. With a magnitude of about 6, it is within reach of binoculars or a small telescope. However, its best appearance is revealed in photographs, showing a characteristic green coma and a long bluish ion tail, rippled by the solar wind and interplanetary magnetic fields.
Technical details
Telescope: ASA-N 250mm f/3.9; Mount: Paramount MyT; Camera: ZWO ASI 6200MM (binning 2x2); Filters: Chroma LRGB; Exposure: 10 min L, 6 min RGB
Photographer's website:
https://www.flickr.com/photos/151655471@N07/
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