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Uploaded 16-Aug-10
Taken 16-Aug-10
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Dimensions1294 x 1000
Original file size227 KB
Image typeJPEG
Color spaceUncalibrated
Date modified17-Aug-10 00:22
M8 in H-alpha

M8 in H-alpha

An H-alpha filtered image of the Lagoon Nebula, M8 shows up the turblunence of the glowing hydrogen gas lit by newly formed stars in the cluster NGC 6523.
Details
Date and location - 2010-08-13 at Metchosin. Vancouver Island, BC.
Conditions excellent for seeing, moisture, lack of wind and very dark skies. Temp 12 deg C at 1:00am.
Equipment - 105mm apo refractor with 0.8x reducer for focal length of 588mm at f/5.6. Ha filtered Canon T1i (modified). HEQ5 mount.
Exposure - 84 lights and 31darks at ISO 1600 for 60s with 8 flats for calibration.
Processing in Images Plus and Photoshop