The Rosette Nebula
1494
x 1504 pixels (328kB)
1200 x 1208 pixels (292kB)
900 x
906 pixels (174kB)
For another interesting view of the Rosette Nebula, click HERE
Emission
nebula
Magnitude:
5.5
Image
field of view: 1.5 x 1.5 degrees
Constellation:
Monoceros
Distance
from Earth: ~3000 light years
Object
size: Approximately ~75 x 55 light years
Imaging
Equipment:
- Telescope:
Takahashi FSQ-106N f/5 4-element fluorite refractor.
- Zeiss
II German Equatorial Mount
- Santa
Barbara Instrument Group ST-8E NABG CCD camera (1530 x 1020 pixels, 9 x 9mm, monochromatic, 16 bit, 13.8 x 9.2mm array)
- CWF8
color filter wheel with Hydrogen-Alpha and IR-blocking RGB dichroic filters
Exposure
Information:
- Date:
Saturday, December 26, 2000
- Location:
Joshua Tree National Park, CA
- Elevation:
Approx. 3500'
- All
exposures were shot unbinned
- Total
exposure time: 4 hours. (48 exposures of 5 minutes each)
- Exposures
(each of two panes in the mosaic):
|
H-Alpha Luminance |
15 exposures @ 5 minutes each |
|
Red-light: |
3 exposure @ 5 minutes |
|
Green-light |
3 exposure @ 5 minutes |
|
Blue-light: |
3 exposure @ 5 minutes |
|
Total exposure time: |
120 minutes, each of two panes |