|
Object |
Twin Quasar Q0957+0561A with Spiral Galaxy NGC3079, in Ursa Major
|
|
Telescope (Photo) |
Celestron 11" EdgeHD OTA @ f/7 on Losmandy
G-11 Mount |
|
Telescope (Guiding) |
Orion EON 80mm ED Refractor @ f/12.5 on Losmandy G11 Mount |
|
Camera (Photo) |
Canon 60Da DSLR Camera using ImagesPlus 5.0 Camera Control |
|
Camera (Guiding) |
SBIG ST-i w/PHD Guiding |
|
Exposure Detail |
20 images at 300
seconds each, ISO3200; RAW file conversion, full calibration (flat, dark,
bias, flat-dark), and initial image processing using ImagesPlus
5.75; final image processing using Photoshop CS5 |
|
Location |
Private Property at
Chiefland Astronomy Village, Florida
(N29.406, W82.860) |
|
Date |
03/31/2014 |
|
Comments |
The Twin Quasar is an example of a gravitational lens. The
double image is in reality a single bright quasar (bright
hyper-distant active galactic nucleus) but appears as two due to
its light being gravitationally bent around a foreground object. |