Lagoon Nebula (Mesiier 8) in H-alpha

For a high resolution version click here

IMAGING DATA
Optical train: AP130 EDF GT + AP flattener
Guiding: Starguider guidescope + QHY5L-II mono + PHD
Camera: Canon 450D (mono modded by Hypercams, and peltier cooled)
Frames: 34 lights 10 min. ea. @iso1600, calibrated with 200 bias, 20 darks and 30 flats.
Processing: PI 1.8 + Canon DPP
Date: 2015-07-24
Place: General Pacheco, Buenos Aires, Argentina
Seeing & transparency: average/some haze after midnight (suburban skies)

For detailed information on these objects, click
here

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