- Astro imaging with camera on skyseeker iv mount full#
- Astro imaging with camera on skyseeker iv mount iso#
To focus manually, set the AF/MF switch on the lens barrel to MF and then turn the barrel. For astro imaging you need to focus manually unless you invest in quite expensive hardware/software integrated solutions, which will robotically adjust the telescope focus based upon the width of a star point. When using your camera and lenses with a telescope you will lose any autofocus capability. There are essentially three different types to choose from:refractor scope – which is just like a really big lens Newtonian telescope – which has a larger aperture than refractor scopes and a mirror system Compound telescope – which combine mirrors and corrective front lenses to offer a long focal length. The choice of telescopes is as complex as the choice of camera lenses. If you think of a telescope as nothing more than a very big lens, which can cost anything from a few tens of pounds up to a few tens of thousands, then you’re halfway to bridging the gap between traditional photography and astro imaging. If you want to progress to taking images of galaxies and nebula you will need to invest in telescopes and mounting systems.
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If you have a timer release switch, such as the Canon Timer Remote Controller TC-80N3, you can set it to shoot a number of images over a period of an hour or so and then ‘stack’ these into a single image.īoth point-and-shoot images and star trail images require nothing more than a good tripod and your existing camera.
Astro imaging with camera on skyseeker iv mount iso#
Set ISO 200 to 400 and an exposure of 3 to 4 minutes with an aperture around f4.Use a sturdy tripod with a remote switch or release.Point your camera at the pole star itself, being careful to align it.Use a relatively wide-angle lens to capture as much of the vista as possible.EOS 7D with a 15mm lens, 25 seconds at f4, ISO 640. 160 images were taken over a two-hour period and then ‘stacked’ into a single image.
Astro imaging with camera on skyseeker iv mount full#
Full moon light provided the foreground illumination. However, you can get some great results using a technique that requires little or no specialist equipment.Ībove Circumpolar star trails over Castle Mountain in Banff, Alberta. It is best to shoot star trails away from strong light pollution (typically found in busy cities or towns) as light from street lamps will swamp out the light from the stars during the 3 to 4 minute exposure. The closer you are to the horizon, the longer the streaks appear due to the motion being more pronounced the further away from the pole you get. Star trails form interesting arcs around the star Polaris. Contrast enhancements applied to bring out the sky and foreground shadow detail.Īfter the simple point-and-shoot approach, photographing star trails requires more patience and a little more astronomical skill.
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Milky Way at Blackfoot Crossing Historical Park, Southern Alberta, USA.ĮOS 5D Mark II with a 15mm lens, 40 seconds at f2.8, ISO 2000. Astrophotography with just an EOS camera and a wide-angle or standard lens has its limitations, but impressive images are possible.