Object Info | |
Object Name | M20 - NGC6514 - The Trifid Nebula |
Type | Emission/Reflection Nebula |
Centered at: | RA: 18h 02m 18s Dec: -23°02'00" |
Constellation | Sagittarius |
Magnitude | 7.3 |
Size | 30 light years |
Distance | 2,300 light years |
Age | ? |
Dimensions | 29 x 27 arcminutes |
Image Field | 27'45" x 18'46" |
Notes |
First light of ST10 on the C11 with f6.3 focal reducer.
The focal reducer in it's location on the AO7 acts as f6.6 giving a 27.75 x 18.76 field. |
Taken from: |
Tin Shed Observatory
Gold Coast, Queensland Long - Lat = 153:23.54E - 27:56.8S |
On: | 6-4-2003 |
Image Info | |
Telescope | Celestron C11 @ f6.6 |
Focal Length | 1840 millimetres |
Telescope guiding | Self Guiding. AO7 + Mount @ 1 Hz |
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 | 0.76 arcseconds per pixel |
Processed with: | Mira A/P, Maxim DL, AIP4Win, CCDSharp, Photoshop |
Hydrogen Alpha, Red, Green, Blue Exposures | L,R,G,B = 15 minutes taken as 5-minute unbinned subimages. |
Image Calibrations | All sub-images Dark Subtracted, Flat Fielded. |