Sharpless 2-308: A dusty bubble

Acquired during a short stay (one week) at one of the better skies in Argentina: Barreal, Pampa del Leoncito, province of San Juan.

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IMAGING DATA
Optical train: AP130 EDF GT + AP flattener
Mount: Losmandy G11
Guiding: SMC Takumar 67 f/4 200mm guidescope + QHY5L-II mono + PHD
Camera: Canon 6D (modded, and peltier cooled, sensor @8°C)
Frames: 58 lights 5 min. ea. @iso3200, calibrated with 200 bias, 25 darks and 30 flats.
Processing: PI 1.8 + Canon DPP
Date: 2015-01-21
Place: Posada Paso de los Patos, Barreal, San Juan, Argentina
Seeing & transparency: good/excellent (desertic site, 1560 meters over sealevel)

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