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Originally posted by Evolution2012
WHAT IS THAT THING!?
it is LARGER than the sun!?
Nasa has some 'splainin to do!
I suggest we all save this image, because nasa likes to "loose" these files midway through the day when an anomaly is found on them.
Debris can refer to astronomical or human-made debris. The debris may be dust or spacecraft insulation which has flaked off. Visit here lasco-www.nrl.navy.mil... for more detailed information. The image below provides a typical example of debris.
Three examples of such images are shown in Fig. 1. The LASCO coronagraphs are very sensitive to dust particles that pass through the field of view; such small particles, at small angles from the Sun, are illuminated by the bright Sun and are easily seen. The space environment is usually very clean, but sometimes a streak is observed in the images. Since the instrument is focused at infinity the particles appear out of focus, and thus broad. Hence they are not removed by the denoising technique in the preprocessing step.