Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  IC 1283  ·  IC 1284  ·  NGC 6589  ·  NGC 6590  ·  NGC 6595  ·  Sh2-37  ·  VdB118  ·  VdB119
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Sh2-37 closeup, tommy_nawratil
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Sh2-37 closeup

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Sh2-37 closeup, tommy_nawratil
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Sh2-37 closeup

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Description

A closeup of the Sh2-37 complex and its adjacent reflection nebulae. Note the purple hue of Sh2-37, a mixture between red Ha and blue dust components.

The scope was a Boren-Simon GSO Newton I could lend from my friends at the WAA club who build an observatory at Hakos. I spent an Octo focuser and took the GPU corrector to photograph at f/4. The mount was a CGEpro which worked fine but had the strange habit of just stopping tracking at meridian.

LRGBHa 30-9-7-7-8 subframes, each 3min at -20°C zero gain.

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    Sh2-37 closeup, tommy_nawratil
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Description: annotated version

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Sh2-37 closeup, tommy_nawratil