| Another Picture of Comet 17/P Holmes. After more than two weeks since its sudden outburst it is still visible to the naked eye and is an easy astrophotography target from suburban areas.At the time this picture was taken, Comet Holmes was located near the Perseus OB association, a loose cluster of bright stars. The bright start near the comet is alpha Persei (also called Algenib or Mirfak) |
|
Lens:
|
105mm AF Micro-Nikkor at f/5.6 |
|
Camera
|
Nikon D200 |
|
Exposure:
|
6x120s, ISO 800 |
|
Date:
|
15th, November 2007 |
|
Processing:
|
Stacking, dark subtraction in IRIS, Histogram adjustment, sharpening in Photoshop. |
|
This images shows the full frame with 210mm focal length. |
|
Lens:
|
70-210mm Nikon Lens Series-E at f/5,6 |
|
Camera
|
Nikon D200 |
|
Exposure:
|
3x120s, ISO 800 |
|
Date:
|
15th, November 2007 |
|
Processing:
|
Stacking, dark subtraction in IRIS, Histogram adjustment, sharpening in Photoshop. |