Astrophotography
104 creative works found
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Find the Southern Cross…
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Recorded during the solar maximum in 1991. / The Southern Cross is near the top of the image.
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Recorded on 22 January 2007
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Luna
by Nick JohnsonAfter failed attempt to capture the lunar eclipse in the winter of 06-07’ due to cloud cover I decided to stick around and capture some shots of the beautifull full moon once the clouds had cleared. Wasn’t gonna pack out a 100lb telescope for nothing!! :) I hope to do more astrophotography the scope. Galaxys, nebula, and such. It is really a crime that I haven’t used it as much as I should. Enjoy! Shot with Nikon D200, / 1/400th sec. F-0 / through / Meade LXD 75 SN8 Telescope.
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This image shows the three “stars” of Orion’s sword. / / The great nebula in the centre is classified as M42. It is approximately 7500 million million miles away from the earth. The red colour is caused by light being radiated by hydrogen atoms. The blue colour is the reflection of light being radiated by the massive O-class stars at the core of the nebula. The dark patches are caused by interstellar dust blocking our view. / / The smaller “Running Man Nebula” below it is classified as NGC1977. / / Technical details – Canon 400D with 200mm lens, 11×120 second exposures @ ISO800. Dark subtraction, flat field application, registration, stacking and processing in IRIS. Total exposure time 22 minutes. Here are some examples of my astrophotos as laminated prints
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A globular cluster in the constellation of Centaurus, this is a gigantic ball of over a million ancient red stars. Technical details – Canon 400D with 200mm lens, 50×30 second exposures @ ISO1600. Dark subtraction, flat field application, registration, stacking and processing in IRIS. Total exposure time 25 minutes. Here are some examples of my astrophotos as laminated prints
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Leo and Saturn rising behind trees at Woodland Waters, Lincolnshire. / / Taken on Ilford FP4+ 125 with a Lomo Lubitel 166B. Approximately 30mins at f8. / /
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Here is a shot of the Milky Way in the region of the constellations of Crux and Carina. You can see the Southern Cross over on the right hand side (upside down). Above it is a dark cloud of dust called the Coalsack Nebula. The bright red cloud on the left hand side is the Carina Nebula, a hydrogen emission nebula containing the massive star Eta Carinae. South is up in this image. There are approximately 440,000 stars in this image. Technical details – Canon 40Dh with EF-S 60mm macro lens at f/4, 11×300 second exposures @ ISO500. Dark subtraction, flat field application, registration, stacking and processing in IRIS. Total exposure time 55 minutes on 8 February 2008. The colours are natural. Here are some examples of my astrophotos as laminated prints
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The Great Carina Nebula is a giant diffuse nebula composed of ionised hydrogen. It is one of the largest H II regions in our Milky Way galaxy. / / This star forming nebula has produced the very conspicuous peculiar star Eta Carinae, which is among the most massive and luminous stars in the Milky Way, and perhaps in the universe. There are approximately 224,000 stars in this image. / / Technical details – Canon 40Dh with 200mm lens at f/4, 53×120 second exposures @ ISO1000. Dark subtraction, flat field application, registration, stacking and processing in IRIS. Total exposure time 106 minutes on 9 February 2008. The colours are natural. Here are some examples of my astrophotos as laminated prints
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Photographing the Milky Way with a standard DSLR camera
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The famous M42. A must see of the winter sky.
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Tutorial: Photographing the Milky Way with a standard DSLR camera
by Cain DohertyI have an improved and better formatted version of this tutorial in my wordpress blog....
I have an improved and better formatted version of this tutorial in my wordpress blog. This tutorial will cover the development of my image Milky Way from Apollo Bay using a Canon 350D, a wide angle lens, Adobe Photoshop and an image alignment program called hugin. For this to be repeatable you must be shooting with clear dark skies, free from light pollution. I used settings of Tv: 20 sec, Av: f/4, focal length: 17mm and ISO speed: 1600. A shutter release cable is also a great tool and can keep your camera clicking as it sits on the tripod. The more images taken, the better for the final result, because this will improve the signal to noise ratio that plagues digital sensors during long exposures. A tracking mount is not necessary with a 20 second shutter speed because the rotation of the night sky is undetectable at such a wide angle. Please read the following steps for more information. All images are hyperlinked to larger sizes. 1) Download this zipped folder containing four of my unaligned shots of the Milky Way. 2) Load them into hugin_0.7_beta_4. 3) Manually align images with control points – don’t automatically align. I aligned three images to a common one. Enlarge the screenshot for details. 4) Click Edit – fine tune all points. 5) Click View – preview window. 6) Click Center and Fit buttons to achieve this view. 7) Click Edit – Optimise. 8) Click Stitcher – image format – multiple tiff . Final screen before clicking Stitch Now . 9) If you don’t want to worry about learning how to align the images with hugin, then you can download this zipped folder containing the four prealigned images of the Milky Way. 10) Load each image onto a new layer in photoshop adjusting the blend mode to screen which is good at lightening images without lightening the darkest areas. 11) Add a medium contrast curves layer. 12) Add colour balance layer: shadows (-90,-25,-10), midtones (-15,-5,-20), highlights (0,-5,30). 13) The final result For comparison’s sake, shown below is a typical accompanying jpeg to a raw file I began with for one of the individual images. I used Adobe Camera Raw to extract the jpegs provided in step 1 for processing. In closing, I’d like to point out this is not the only way an image like this can be captured; there is myriads of possibilities. I have developed this simple and inexpensive method by just experimenting with the tools at my disposal. Comments are welcomed. If you haven’t done so already, please check out another tutorial I have written: Layer Masks and Transparency Gradients for The Heart.
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A conjunction of Venus, Jupiter and the Crescent Moon, behind the clocktower in Sale, East Gippsland (Victoria, Australia). The time on the clock (9:12pm) is Australian Eastern Daylight Savings Time, which was 1012 Universal Time on 1st December 2008). Canon 20D with 200mm lens. Mosaic of three images, each 3 seconds, f5.6 at ISO200. You have to imagine the fun of trying to jump with the tripod out of the way each time a car turned into the street. And the attention from the locals was not always desirable..
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3 exposures bracketed using a 350d modded-8” newtonian / stacked in photomatrix to blend the hdr in / really enjoyed doing this one as it shows all of the detail on the surface while minimizing the burnt out that usually happens when processing lunar images
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8” newtonian/350d—1/100th secs iso100 / converted from raw to enhance colour to show mineral deposits on the lunar surface
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tycho in colour taken with the below 8” Newtonian f/5-2 x Barlow lense-350d 1 x raw frame converted to colour
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6×1 minute exposures @ iso800 / 8” f/5 newtonian//350d modded / darks and bias taken but no flat frames
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M45 seven sisters , cluster with nebulosity / taken with a c80ed 10×3 minutes exposure iso800
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taken on a c80ed and 350d / 1 x frame iso100/25th secs exposure temperature was -5 degrees c
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My most viewed image on Flickr (47895 clicks since july 7th, 2007). / The red nebula is the famous North America in Cygnus.
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This 250 minutes of night sky shot over Salt Spring Island in BC, Canada. Shot with a Canon 40D and a Tokina 11-16mm f/2.8 lens. Check out the video I have printed this at W4(25cmX37cm) and it looks fantastic.
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This is the heart of the Milky Way our own galaxy. The section that you see here is mostly the constellation of Saggitarius. / Almost in the centre is the nebula M8 or usually known as the Lagoon.A little way to the right is the Nebula M20 or the Trifid so named as there are a series of dark lanes crossing the face of the nebula spliting it into 3 sections. The nebula is the top right corner is the Swan. Most visible are the many dark lanes that run across the face of the stars. these are not spaces between stars but rather dark clouds of dust and gas that obscure the klight of the background stars. / This phot was taken with a Nikon D300 with the 70-200 vr Nikon Lens set at f2.8 with an exposure of 4 minutes. this is a composite of 4 images overlayed in CS3 to reduce the grain from shooting at ISO 800. / This image was taken at Coonabarabran in the central west of NSW.
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Staring to the Sagittarius region during a clear summer night is always a moving experience. Naked eye cannot count the stars. But a good pair of binoculars is enough to literally lose one’s reason and begin a floating travel into the deep space. / This is the thickest part of our galaxy, its core. / This film, Fujichrome 1600, has been exposed for 17 minutes. Optic used is a 24 mm. / Guided on equatorial mount.
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