02/08/2023
Comet Over Jocassee
Comets are difficult to shoot from my light polluted skies so I took a quick trip recently to one of my favorite places, Lake Jocassee, in Devil’s Fork State Park, which has a great Northern view toward a darker area of the Blue Ridge Mountains. In this 35mm view, Comet ZTF is near Polaris and the glow on the right is from Brevard and Asheville, NC.
Because wide-field views of this comet are pretty underwhelming, this image is a composite combining the wide view of the comet with the image of the comet produced with my telescope to show it in more detail. These images were taken at the same time that my telescope exposures were taken, so I was able to match the size and position compared to surrounding stars exactly. If only we could see it at that brightness with the naked eye!
And here’s a bit of info about this comet for those who’d like to know: Its full name is C/2022 E3 (ZTF) which means it was first discovered in 2022 and was the third comet to be discovered in the first half of March. ZTF stands for the survey in which the comet was discovered (the Zwicky Transient Facility) by astronomers Bryce Colin and Frank Masci. While this comet doesn’t have an easy name, many have been referring to it as the “Green Comet” due to the green glow around the nucleus. Comets can emit a few different colors depending on their composition and, in this case, the green (which is less common) is emitted because its coma, the gas envelope surrounding the nucleus, contains a reactive compound called diatomic carbon (C2) and cyanogen.
Camera: R5
Lens: Canon 16-35mm f/4
Mount: Skywatcher Star Adventurer
20 x 90s exposures tracked for stars
Single 150s exposure for foreground