File:Caught in the Act! (19813129038).jpg
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Summary
[edit]DescriptionCaught in the Act! (19813129038).jpg |
Eruptive prominence in Hydrogen alpha - sequence caught over 24 minutes. Thought I saw some rapid changes occurring to a tree-like prominence on the limb so kept on imaging it over about 24 minutes. It’s thought that some disturbance such as a flare or magnetic reconnection event “activates” a prominence which then erupts. Gravity and or magnetic field lines can pull the plasma back towards the Sun. If it escapes, it becomes a Coronal Mass Ejection which can cause aurorae and geomagnetic storms if Earth directed. No flares were recorded yesterday that could be observed from Earth or Sun watching satellites. I was using a lot of new equipment so I had my hands quite full – glad I caught this. Equinox 120ED scope, Quark Chromosphere, 0.5x FR, Grasshopper 3 camera/Firecapture software Hinode guider Ioptron ZEQ25GT mount. |
Date | |
Source | Caught in the Act! |
Author | john.purvis |
Camera location | 55° 02′ 53.87″ N, 6° 55′ 43.18″ W | View this and other nearby images on: OpenStreetMap | 55.048298; -6.928660 |
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This image was originally posted to Flickr by john.purvis at https://flickr.com/photos/16271433@N02/19813129038 (archive). It was reviewed on 25 September 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
25 September 2018
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current | 07:55, 25 September 2018 | 3,480 × 2,792 (3.62 MB) | PlanetUser (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 14:12, 26 July 2015 |
Color space | sRGB |
Date and time of digitizing | 19:29, 25 July 2015 |
Date metadata was last modified | 15:12, 26 July 2015 |
Unique ID of original document | xmp.did:03fd1c3c-af91-5243-a712-19ff72482888 |
IIM version | 47,778 |