Designation |
Date
and Time |
Exposures |
NGC
2903, a magnitude 8.9 spiral galaxy in Leo. |
Nov
11 2005 14.20 to 14.24 |
RGB
filters, 45 seconds |
Alan Tough's image. | |
Eric Walker's image highlights the dust
lanes and the core of the galaxy. |
|
Eric desaturated and inverted this image to give a "negative" effect. | |
Eric Walker This is Eric's favourite version of this target. It was produced by adding a luminance layer to the RGB image. The advantage of this technique is that the coloured layers do not have to be unsharpened as the detail in the image comes from the luminance layer. |