C/2012 S1 - Comet ISON https://brightastronomy.webs.com/apps/photos/ C/2012 S1 - Comet ISON Comet ISON, 14 Nov 2013 Image taken from White Cliffs, NSW, by Rob Kaufman, Bright Astronomy Club Inc, when the comet was just two weeks from perihelion (closest approach to the Sun). Canon 650D & 200mm lens. https://brightastronomy.webs.com/apps/photos/photo?photoID=188364052 188364052 Comet ISON, 02 - 14 Nov 2013 Montage showing the gradual brightening of the comet, with a large outburst in brightness between 11 & 14 Nov 2013. Images taken from White Cliffs, NSW, by Rob Kaufman, Bright Astronomy Club Inc https://brightastronomy.webs.com/apps/photos/photo?photoID=188364172 188364172 Comet ISON spectrum, 14 Nov 2013 This spectrum was obtained with a Star Analyser diffraction grating and shows the green and blue broad diatomic carbon emissions typical of 'gassy' comets (low dust production). Taken from White Cliffs, NSW, by Rob Kaufman, Bright Astronomy Club Inc. https://brightastronomy.webs.com/apps/photos/photo?photoID=188364200 188364200 Comet ISON, 16 Nov 2013 Almost a degree of the tail is showing. Image taken from White Cliffs, NSW, by Rob Kaufman, Bright Astronomy Club Inc. https://brightastronomy.webs.com/apps/photos/photo?photoID=188364213 188364213 Comet ISON, 22 Nov 2013 The comet is disappearing into twilight as it approaches the Sun. It was very difficult to photograph at this stage. Image taken from White Cliffs, NSW, by Rob Kaufman, Bright Astronomy Club Inc. https://brightastronomy.webs.com/apps/photos/photo?photoID=188364389 188364389