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Object Info
Object The Keyhole Nebula and Eta Carina
Types Emission Nebula
Centered at: RA: 5h 46m 19s Dec: -0222'18"
Constellation Carina
Magnitudes
Sizes ?
Distances
Age ?
Dimensions
Image Field Approx 12 by 8 arcminutes
Notes Hydrogen Alpha image with RGB from a previous image at a different scale.
Taken from: Tin Shed Observatory
Gold Coast, Queensland
Long - Lat = 153:23.54E - 27:56.8S
On: 13th March 2004



Image Info
Telescope Celestron C11 @ f17
Focal Length 4800 millimetres
Telescope guiding AO7 - Self Guided.
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 0.3 arcseconds per pixel
Processed with: Mira A/P, Maxim DL, AIP4Win, CCDSharp, Photoshop
Exposure times L = 10 minutes made up of 10-second exposures.
Image Calibrations All sub-images Dark Subtracted, Flat Fielded.