Celestial hemisphere:  Southern  ·  Constellation: Corona Australis (CrA)  ·  Contains:  14.12  ·  350 Ornamenta  ·  Alfecca Meridiana  ·  Corona Australis  ·  HD174427  ·  HD174449  ·  HD174472  ·  HD174525  ·  HD174541  ·  HD174634  ·  HD174656  ·  HD174657  ·  HD174688  ·  HD174689  ·  HD174690  ·  HD174760  ·  HD174778  ·  HD174859  ·  HD174891  ·  HD175002  ·  HD175003  ·  HD175027  ·  HD175028  ·  HD175048  ·  HD175073  ·  HD175074  ·  HD175075  ·  HD175093  ·  HD175143  ·  HD175195  ·  And 198 more.
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Corona Australis Constellation and Molecular Cloud Revisited, Gabriel R. Santos (grsotnas)
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Corona Australis Constellation and Molecular Cloud Revisited

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Corona Australis Constellation and Molecular Cloud Revisited, Gabriel R. Santos (grsotnas)
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Corona Australis Constellation and Molecular Cloud Revisited

Equipment

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Acquisition details

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Description

Just to give an idea of what processing does to an image, I posted a uncalibrated RAW light frame, in which you can see (or not see) the dust that is hidden in the darkest parts of the histogram along with noise. Check it out http://astrob.in/full/315745/0/?real=

*Please check the full image 1800px - resized from original 6000px)*

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: September 08, 2017

Camera: Canon EOS 80D (unmodded), at ISO 800

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

Mount: Sky-Watcher HEQ5, tracking, guided

Guiding: Starguider 50mm Guidescope + ASI120mm + PHD2; ~1.7" RMS

Exposure Detail: 25x240s (total 100min)

Comments

Revisions

  • Final
    Corona Australis Constellation and Molecular Cloud Revisited, Gabriel R. Santos (grsotnas)
    Original
  • Corona Australis Constellation and Molecular Cloud Revisited, Gabriel R. Santos (grsotnas)
    B

B

Description: Enhanced contrast and saturation

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Corona Australis Constellation and Molecular Cloud Revisited, Gabriel R. Santos (grsotnas)