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Object Info
Object Name M20 - NGC6514 - The Trifid Nebula
Type Emission/Reflection Nebula
Centered at: RA: 18h 02m 18s Dec: -2302'00"
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.