Simcoe Skies Astronomy

Comet SWAN C/2006 M4

Comet SWAN C/2006 M4 This comet has a definite greenish hue, with not much definition of tail when I imaged it. Click the lower image to see an animation of its movement against the background over about 17 minutes. Magnitude: Varies - estimated at somewhere between 6 and 8 during this shot Location: Varies - Hercules Distance: 1.0185 AU from Earth Date: Oct 30/06 Exposures: 100 Camera Settings: RAW,A0;B50;GN50;GM30;R34B18;T10S K3 L-Meter: n/a Filters: IR filter Optical Multiplier: 1x Notes: Although far away (just over 93 million miles), this comet is bright enough to be seen in a 50mm finder scope in my backyard. Its greenish hue wasn't visible to the naked eye when I took this image. Click the lower left image to see an animation of the comet's movement.