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Object Info
Objects	NGC6559 (The brightest component), IC4685 The large diffuse nebula north of 6559, B303 (The dark S-Shaped lane).
Type	Emission Nebula, Reflection Nebula, Bok Nebula
Centered at:	RA:18 09.6 Dec: -23 58
Constellation	Sagittarius
Magnitude	? Dim
Size	?
Distance	?
Age	?
Dimensions	Ngc6559 - 8 x 5 arcminutes, IC4685 - 10 x 8 arcminutes
Image Field	27'45" x 18'46"
Notes
Taken from:	Tin Shed Observatory Gold Coast, Queensland Long - Lat = 153:23.54E - 27:56.8S
On:	20th-April-2003, 3rd-May-2003

Image Info
Telescope	Celestron C11 @ f6.6
Focal Length	1840 millimetres
Telescope guiding	Ha was guided with ST5c on 102mm Synta f5 + Meade 2x Barlow (1000mm) RGB images were self-guided with AO7.
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 Exposures	Ha = 75 minutes taken as 5-minute unbinned subimages.
Image Calibrations	All sub-images Dark Subtracted, Flat Fielded.