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Soul nebula
 
© D Elijah
Credit D Elijah
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Soul nebula

spaceman_spiff
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Soul nebula taken on 21-22/09/2017. Taken from Bury.

Weather: Clear skies and good seeing. New moon but bad LP. The guide scope stayed on target the entire night.

Optics and camera: Skywatcher Evostar 120 F/D=8.33 (Achromat) with a Baader UHCs filter. The camera was a IR-filter removed Canon 600D.

Settings: 61 x 3 minute lights, 50 darks from library, 50 flats taken recently and 50 bias frames. ISO 800. All images were taken with 15 second intervals to remove residual charge from the sensor.

Mount: Skywatcher AZ-EQ6 with extension pillar.

Processing: The Lights and calibrations frames were processed using Pixinsight. The final images were balanced to retain average white stars. I also used Gimp to add a selective Gaussian blur over a 5 pixel range to blend residual RGB noise and slightly increase saturation.

Comments: Lots of H-alpha here but even after 3 hours of exposure, there is still noise present. This is about as much exposure I can get on one target before it moves behind the trees.

Credit

D Elijah

Copyright

© D Elijah
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