M57 - 20030702

20030702 M057


 M57, the Ring Nebula, a planetary nebula.

Constellation that it's located in: Lyra

Imaging Site: My back-yard in San Diego, Ca.

For more information on M57:


Date: 2 Jul 2003

Scope and f/: N11GPS at f/10.

Mount: Wedge

Guiding: I didn't record.

Camera: Canon 10D at ISO 1600 and ISO 3200.

Number of sub-images and exposure: 

ISO 1600: Thirty-six 20-second exposures.

ISO 3200: Twenty-five 10-second exposures.

Filters: None

Image Calibration: Dark

Planning, control, capture and processing with: ImagesPlus and Photoshop Elements, tweaked on 6/27/04 with Photoshop.

Images may be used for personal and/or educational use only.