Comet ISON will hit its closest point to the Sun today this afternoon. Here's where you can follow the action:
NASA will monitor the approach live with a Google Hangout today from 1-3:30 p.m. EST.
The Solar Dynamics Observatory expects to have images of ISON begin appearing between 12:45 and 1 p.m. EST.
Watch the Solar Terrestrial Relations Observatory (STEREO) coverage.
The Solar and Heliospheric Observatory will have images as well.