Friday, 20 June 2025

North American Nebula | Caldwell 20

C20 is an emission nebula that primarily emits Hydrogen-Alpha radiation that emits as infrared light. It gets its nickname from the resemblance it has from the North American continent.

I used my Canon EOS 700Da equipped with a 90-300mm f/4.0-5.6 Canon EF lens.

Image Details

Focal Length: 200mm

Aperture: f/5.0

Exposure per Sub Frame: 1'30"

Total Exposure Time: 1hr 30mins





at No comments:
Subscribe to: Posts (Atom)

Featured Post

Sagittarius Arm "Edge of the Milky Way"

This image was taken while I went on holiday in Boa Vista. I used an 18mm lens at f/3.5 and exposure times of 13". I had around 200 fra...

Popular Posts

  • Orion's Nebula (M42)
     The Great Nebula in Orion, Messier 42 This image was taken over the course of 5 nights. I used a Canon EOS 400D with the Star Adventurer GT...
  • The Pleiades "7 Sisters" (M45)
     The Pleiades star cluster (Messier 45) I used a Canon EOS 400D with a Star Adventurer GTi and a 210mm lens at f/5.6. Exposure lengths were ...
  • International Space Station Passing Over
     ISS Passing over mid-shooting the Rosette Nebula Today, while taking images of the Rosette Nebula (NGC 2244) the International Space Statio...