Although a comet hasn't been seen in the SDO field of view since 2012, we are always waiting for the next comet to appear. Today we will...

A recent blog post at The Astronomy Stackexchange asked whether an AIA image taken during the perihelion passage of Comet ISON showed the c...

Here is the latest image from the SOHO LASCO C3 Coronagraph. It was taken at 1254 UTC (8:54 am ET) this morning. Comet ISON is looking like ...

SDO Comet ISON viewing page Next Thursday, November 28, SDO will watch Comet C/2012 S1 (ISON) fly by the Sun at 1844 UT (1:44 pm ET). W...

Comet C/2012 S1 (ISON) will be at its perihelion (the closest it gets to the Sun) on November 28, 2013. It will then move back out into the ...

Can you ride a sungrazing comet around the Sun by staying on the dark side? Maybe not! When you get close enough sunlight reaches around the...

We are testing the Comet ISON off-point sequence today. We will move to each of the three positions and wait 10 minutes, taking data to see ...

This lovely image of Comet ISON was taken on October 27, 2013 by astrophotographer Damian Peach. [Image credit: Damian Peach] Now that...

Comet ISON is a sungrazing comet whose closest approach to the Sun (perihelion) will happen on November 28, 2013. Comet ISON was discovered ...

The perihelion passage of Comet Lovejoy is described in an article at the BBC . The research article, by Cooper Downs and Karel Schrijver an...

Comet PanSTARRS is visible in the evening sky, if you look toward the west just after sunset. Here is a sky map from SpaceWeather.com show...

It has been one year since Comet Lovejoy was watched by SDO, STEREO, and Hinode as it passed by the Sun. Each spacecraft provided unique o...

The SDO website has returned to service. A Russian observatory is announcing the discovery of the a new sun-grazing comet , this time out n...

SOHO and STEREO are reporting another Kruetz comet moving toward the Sun. It is expected to make its closest approach to the Sun tomorrow, M...

Out out 171 and 193 as your first attempts. We see the the comet in 171 at 23:58:59! At 23:59:18 in 193! The AIA team has reported seeing Co...

We are starting to receive the images and copy them into our directories.

SDO has completed the off-point maneuver and is sending the images to the ground. They should be moving thru the pipeline and available in 3...

SoHo and STEREO continue to watch Comet Lovejoy as it moves closer to the Sun and brightens. We will be running a special mode this evening ...

We are setting up a special website to watch Comet Lovejoy pass by the Sun tomorrow night. The URL will be published tomorrow afternoon. You...