
| Object Info | |
| Object Name | The keyhole Nebula around Eta Carina |
| Type | Emission Nebula; |
| Location | RA: 10h 43.8m Dec: -59°52' |
| Constellation | Carina |
| Magnitude | ? |
| Size | 200 light years |
| Distance | 6000 light years |
| Age | ? |
| Dimensions | 120' x 120' |
| Image Field | 68'82" x 102'09" |
| Notes |
This is a HaRGB Image. A Schuler (10nm) Hydrogen Alpha Filter was used for the Luminance channel. William-Optics Minus-Violet filter used for all exposures. |
| Taken from: |
Tin Shed Observatory
Gold Coast, Queensland Long - Lat = 153:23.54E - 27:56.8S |
| On: | 26-1-2003 and 27-01-2003 |
| Image Info | |
| Telescope | Synta 102mm f5 Achromat Refractor |
| Focal Length | 500 millimetres |
| Telescope guiding | Pixcel 255 at 2800mm (C11) |
| Telescope control | Astrometric Sky Walker II |
| CCD camera | SBIG ST-10xe |
| Camera cooling | Regulated Thermoelectric |
| Camera pixels | 2184 x 1472 x 6.8um |
| Image scale | 2.8 arcseconds per pixel unbinned |
| Processed with: | Mira A/P, Maxim DL, AIP4Win, CCDSharp, Photoshop |
| Hydrogen Alpha Exposures | Ha = 60 minutes taken as 3-minutes unbinned. |
| Image Calibrations | All sub-images Dark Subtracted, Flat Fielded. |