Methods for dithering a DSLR
I have been doing nighttime landscape astrophotography for about a year now and really want to start uping my game. In order to get the highest signal to noise ratio possible, it is driving me to the...
View ArticleWhich lens for a milky way photo
I have a Nikon D7000 and don’t know whether my 50mm 1.4 or 17-55m 2.8 lens would be better. I was automatically going to go with the 50mm lens, but then I was reading up on how I can use a longer...
View ArticleHow to take a picture at the same time everyday?
I am currently wanting to design a system that I could leave outside permanently, and have it take a photo(or series) at the same time of the day, for a year, and then compile those into a single...
View ArticleWhich Canon lens would be best for landscapes and night skies? [duplicate]
This question already has an answer here: How do I get started in Astrophotography? 6 answers
View ArticleWhich galaxies can we photograph with a DSLR and a telephoto lens?
I see a lot of photos of the milky way by photographers using wide angle lenses. I’m wondering if there are other galaxies that can be photographed by using a telephoto lens (>500mm). How do I...
View ArticleIs there any quality advantage to doing dark frame subtraction in camera?
Is there any quality advantage to doing dark frame subtraction in camera? It seems to me that doing it manually in software can’t be any worse, and can be better by using a dark frame that is the mean...
View ArticleHow can I colorize my astrophotography?
I want to color a photo that I took from my telescope, which unfortunately only captures black and white images. How can I add color to it, let’s say using Photoshop… is it possible to color only white...
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Quilted/Tiled Image Sensor: How do you eliminate stripes of missing photos in...
Background: This question is largely inspired by one of the answers in: What limits the size of digital imaging sensors? So the answer mentions uber-large image sensors that are made by “quilting” or...
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Why is there a grid pattern of darker pixels in this twilight sky flat field?...
This is the first time that I’m really inspecting the calibration images we were taught to take/use during data reduction, and I’ve noticed something in all the flat fields. The image below clearly...
View ArticleAstro-photography – 8 inch Schmidt-Cassegrain vs 10 inch Newtonian
I’m tring to get into astro-photography and I have a usual dilemma, which one would be the best for the job. I’m more interested into shooting deep sky objects. I’ve been looking for “nice” telescope...
View ArticleHow do we know what the Milky Way looks like?
There is no way (with the current technology) that we could send a probe outside the Milky Way in a reasonable amount of time. So, how do we know what the Milky Way looks like, and what factors do...
View ArticleHow to retain the most data for editing?
I have started a bit of astrophotography, an important part of which is the editing of the image to bring out stars etc not even visible after a ~40 second exposure. To do this the image must retain as...
View ArticleWhy should I use the widest aperture for star photography?
Well, this question may sound dumb to some folks but I am really confused here. I was reading this article about Photographing Stars Using a Kit Lens where author talks about keeping widest aperture...
View ArticleHow do I loosen the fit of a T-ring to ease mounting/dismounting a telescope...
I recently bought a reflecting telescope, and along with it a Canon EF T-Ring (and adapter tube) to complement my Canon T3i. The fit is extremely tight, which not only makes it difficult to fully twist...
View ArticleHow can I tell what focal length a zoom lens was set to for a photo of the moon?
It appears that neither the Sony 55-210 mm f/4.5-6.3 nor the Canon EF-S 55–250mm f/4–5.6 reports the actual focal length to the camera: both cameras’ metadata show the lens but report the focal length...
View ArticleWhich characteristics should a wide-angle lens have for astrophotography?
I’m looking to buy a wide-angle lens for astrophotography, specifically on a Canon 450D (Rebel XSi). Which characteristics should I be looking for in a lens?
View ArticleWhat is the best lens to shoot the Milky-Way on a crop camera? [duplicate]
This question already has an answer here: What lens characteristics are important in star photography? 1 answer Which characteristics should a wide-angle lens have for astrophotography? 1 answer
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How could I have improved post-processing on this Milky Way shot?
Last week I went about 40 minutes north of St. Louis to Pere Marquette state park with my family. We went out to watch the meteor shower, and I tried to set up to take some Milky Way shots. I ran into...
View Articleis it possible to take photographs of the Milky Way with a Panasonic FZ-30...
I have a Panasoinc Lumix FZ30 “SLR-like” camera It can take raw images. It has ISO speed between 80 and 400 and max aperture f2.8 and max 60 seconds of exposure time. I am really eager to take...
View ArticleCombining multiple exposures
I find it interesting that the idea of combining bracketed exposures to increase the recorded range of brightness has gone mainstream (known as HDR) to, the point where it is built into the camera’s...
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