Description: Discovered by the SWAN instrument aboard the SOHO solar space telescope, comet SWAN attained brightnesses up to (reputedly) fourth magnitude - which should have just made it visible to the naked eye.
![]() | Description:Here we see only the nucleus of the comet. The tail
extends to the bottom of the image and image processing can bring out
a fan-shaped structure. Image information: Stacked, dark-subtracted, registered combination of 40 x 10s white-light images and 10 x 10s in R, V and B bands. Image taken 26/10/2006 19:10 UT. Physical information: Magnitude: roughly 8.0, dist. from Earth: 0.9983AU. |