Comet 17P/Holmes

A 17-magnitude comet, 2.5 AU from the Sun and 1.5 AU from Earth, suddenly broke into two parts and brightened to naked eye visibility.

Images taken: April Smith, Nov. 4, 2007.

Telescope: Meade 12 in at f/5.71 (f=70 in).

Image size: 20 am x 30 am.

Camera: SBIG ST-10 CCD camera

Exposures: 2 x 1 min each of red, green, blue.

Image processing: CCDoops + Photoshop CS.

Images taken: Colin Reed and Brent Ross, Nov. 6, 2007.

Telescope: Meade 12 in at f/5.71 (f=70 in).

Image size: 20 am x 30 am.

Camera: SBIG ST-10 CCD camera

Exposures: 1 min each of red, green, blue.

Image processing: CCDoops + Photoshop CS.

Images taken: Ryan Parsons and Ann Tucker, Nov. 7, 2007.

Telescope: Meade 12 in at f/5.71 (f=70 in).

Image size: 20 am x 30 am.

Camera: SBIG ST-10 CCD camera

Exposures: 2 x 2 min each of red, green, blue.

Image processing: CCDoops + Photoshop CS.

Images taken: Sarah Ralph and Danny Warren, Nov. 8, 2007.

Telescope: Meade 12 in at f/5.71 (f=70 in).

A mosaic of two panels, 20 am x 30 am each. Total size: 30 am x 30 am.

Camera: SBIG ST-10 CCD camera

Exposures: Each panel: 1 min each of red, green, blue.

Image processing: CCDoops + Photoshop CS.