What does this mean?
Taken with a GSO 8" RC and a QSI583WSG. Guided with QSI OAG and Orion Star Shoot Autoguider. LRGB 100 50 50 50. Darks, flats and biases applied. Processed in CCD stack and Photoshop CS3. Please excuse my ignorance but could someone explain what the above information means in relation to the image of the week.
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