Eta Carinae Nebula and Surroundings (Gabriel R. Santos (grsotnas))

Eta Carinae Nebula and Surroundings

Eta Carinae or Carina Nebula, also known as NGC 3372, is a marvelous nebula lying in the heart of the Southern Milky Way. Surrounding the star Eta Car. are wonderfully photogenic dark and bright red nebulosity, one of Milky Way's largest star forming region. It is truly massive, and by that I (also) mean it's angluar size!, almost 3 times M42. Therefore, it can be captured from modest focal lenght scopes (or telephoto lenses, as here), of about 200-500mm. It is easily visible to the naked eye, even from moderetaly dark suburbs, and a jewel in binoculars from dark locations.

This image is the result of 1 hour of integration, and the red nebulosity was actually captured better than anticipated, because my DSLR is not modified, blocking most of the Ha in this bandpass. Some drifting due to PE and polar misalignment also caused (slightly) elongated stars. All things considered, to me, this image is my best result of Eta Car to date, and might not be recaptured next year, as I may go for different targets. You can check my other attempts on my gallery. What do you think?

[Text about the nebula (1st paragraph) adapted from Wikipedia and APOD]

*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), from Cristina, MG, Brazil (22ºS latitude).

Date and Time: April 9th, 2016, at 19:15h (UTC -3, start of capture)

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

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

Mount: Sky-Watcher HEQ5, tracking, unguided

Exposure Detail: 30x120s (total 60min)

*Revision -B- is a crop of the Original version, focusing more on Eta Carina Nebula itself, with a field of view similar to a 400-500mm FL instrument.*

Final
Original
B

Objects of the South - negative declination only
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Status	Advanced failed
Started	...
Astrometry.net job	1295410
PixInsight job	LCDBAUJ4C4UKRE7YVVDJ2B7628015GGS
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

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Eta Carinae Nebula and Surroundings

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