| Date: 5 July 2004 | Telescope: 10 inch SCT | 300 frames captures with Astrosnap |
| Time: 02:52 am (GMT + 2h00) | Camera: Logitec Quickcam Pro 4000 | Processing: 50 of 300 frames selected |
| Observatory: Hartbeespoort | Magnification: 2x Meade Barlow (f/20) | Software: K3CCDTools and Photoshop |
| Sun altitude as seen from Janssen: 13.1 deg. | Moon phase (age): 17d 2h | Moon altitude above horizon: 63 deg. |
Severely compressed (for fast Internet loading) webcam photo of the crater Janssen with labels. The crater Janssen is 199 kilometers in diameter.
