Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  Extremely wide field
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Antares Region Wideifield Reprocessed, Gabriel R. Santos (grsotnas)
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Antares Region Wideifield Reprocessed

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Antares Region Wideifield Reprocessed, Gabriel R. Santos (grsotnas)
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Antares Region Wideifield Reprocessed

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Acquisition details

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Description

Reprocessed from http://astrob.in/276464/B/ as a result of too many cloudy nights recently. What do you think?

I originally intended to make this a 1.5h integration. The total imaging time for this capture actually sums 2h. ????? What happened? Clouds =D! I lost many frames in it because of them, and the ramaining 11 best were stacked, and the result is presented here. Not the cleanest and not as good as I intended to be, but, given the conditions, the result turned out to be quite suprising to me. What do you think?

*Please check the full image 2400px - resized from original)*

Constructive criticism, comments and suggestions are more than welcome in the comments section. Thank's for taking your time to look at this image.

Taken from Rural Skies (Bortle 3-4; NELM ~6.2; SQM ~21.6*calculated), from Cristina, MG, Brazil (22ºS latitude).

Date and Time: July 5th, 2016, at 20:30h (UTC-3, start of capture)

Camera: Unmodded Canon T4i/650D, at ISO 800

Lens: Tamron 70-200mm f/2.8, at 70mm, operated at f/3.5

Mount: Sky-Watcher HEQ5, tracking, controlled with EQASCOM, unguided

Exposure Detail: 11x240s (total 44min)

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Antares Region Wideifield Reprocessed, Gabriel R. Santos (grsotnas)