2016 September 2 ~ The Veil (or Cirrus) Nebula - supernova remnant

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Photographed at Algonquin Provincial Park, Ontario, Canada, between 23.07 and 23.36 EDT

(285 km by road north of Toronto)

* Temperature 7° C.

 

* Total exposure time: 14 minutes

* 540 mm focal length telescope

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Description:

 

This supernova remnant is a delicate and beautiful sight in long exposure photos. It can also be glimpsed in good amateur telescopes in a dark sky as gossamer silver strands crossing the field of view.

 

Read more about the Veil Nebula here:

en.wikipedia.org/wiki/Veil_Nebula

 

... and here:

www.astronomy-mall.com/Adventures.In.Deep.Space/Dissectin...

 

For a version of this photo WITH LABELS, click on your screen to the RIGHT of the photo, or click here:

www.flickr.com/photos/97587627@N06/29424927240

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Technical information:

 

Nikon D810a camera body on Teleview 101is apochromatic refracting telescope, mounted on Astrophysics 1100GTO equatorial mount with a Kirk Enterprises ball head

 

Fourteen stacked frames; each frame:

540 mm focal length

ISO 6400; 1 minute exposure at f/5.4; unguided

(with LENR - long exposure noise reduction)

 

Subframes registered in RegiStar;

Stacked and processed in Photoshop CS6 (levels, brightness, contrast, colour balance)

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Done