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Astrophotography is the type of photography specializing in celestial objects such as the sun, moon, stars, and sky.

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2answers
292 views

What features to look for in a motorized DSLR mount for astrophotography?

I'm planning a foray into astrophotography, and am looking for some advice on features to look for in a motorized equatorial DSLR mount. I'm interested in both wide angle and deep field pictures. I ...
3
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2answers
193 views

What should I look for in a camera which could cover all of astrophotography, microscopy and general purpose photography?

I am new to photography but I have done a lot of microscopy (confocal, light, etc...). I am familiar with optics and image processing. I want to set-up a telescope at home and maybe in the future a ...
3
votes
1answer
188 views

How long does the exposure have to be for a specific astrophotography object with a given lense, iso and aperture?

how do I know how many frames I need (overall exposure) for a particular object at a given ISO setting? (200mm, f2.8, canon 6D) I will be shooting on a barndoor tracker, at a very dark place about 40 ...
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2answers
3k views

How to calculate the size of the image circle at infinity focus?

How can I determine the diameter of the image circle (i.e. the diagonal size of CCD required to fully utilise a telescope's optics) at near-infinity focus? I have looked around online and found this ...
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0answers
55 views

Why does DeepSkyStacker brighten the stars too much compared to Photoshop?

I've got a 100-ish image stack of the milky way. I always use Photoshop's stacking but sometimes it fails aligning the images or it requires too much swap space (~80GB range) on my primary drive which ...
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0answers
185 views

Why is there a grid pattern of darker pixels in this twilight sky flat field? [closed]

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 ...
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5answers
950 views

How can I tell if something in a photograph is a star or a planet?

A couple days ago, I zoomed in with my 30x optical zoom camera, and after some exposure adjustments, a bright star in the night sky turned into this: Are those other planets or other stars? Or is ...
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2answers
2k views

What is the basic gear for astrophotography?

I have a Canon 60D and would like to start doing some astrophotography and/or time-lapses of the Milky Way. I know I need to buy a special tripod, one with either ecuatorial mount or a computer ...
2
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3answers
576 views

Measuring angular distance with photographs

Is length in a photograph proportional to angular distance in the photographed scene? Example: I take a picture with the horizon vertically centered. In the picture, I know that the point 1 inch ...
2
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3answers
130 views

Is film better suited than digital for astrophotography?

When I tried to do long exposures of the sky with my entry level DSLR I noticed a lot of hot or dead pixels. Will shooting with my old cheap film SLR be better? Will film be better for long exposures ...
2
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3answers
373 views

Why 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 ...
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4answers
292 views

What lens and setting to take ISS photo?

Here it says we can see ISS with our naked eye. I was thinking that if we can see this thing with our eyes, then obviously we can take photo with a DSLR. I have Nikon D3300 with 18-55mm lens and ...
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4answers
602 views

How 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 ...
2
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2answers
1k views

A budget tripod for astrophotography ball-head or 3-way pan-head?

I am currently looking for a tripod for astrophotography, I wonder is there any significant difference between a tripod with a ball-head or one with a 3-way pan-head? Like say in terms of the ...
2
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3answers
333 views

Is 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 ...
2
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4answers
822 views

What equipment do I need for astrophotography?

Is it possible to create a picture like the following, using a D7100 camera with a standard 55-105mm lens. If not, what is needed for this kind of photography?
2
votes
1answer
83 views

How can I blend images taken at different times of the day into the same panorama?

Is there a way to take a same set of images for a panorama twice at different times of the day? I would like to blend these images using a layer mask in Photoshop so I get a blue hour foreground and ...
2
votes
2answers
441 views

Astrophotography with an 800mm

Yesterday I did the following shot of the moon using a 400mm with a 2X: Now, I would like to know if it's possible to shot pictures of planets using just a tripod? This is the first time I'm ...
2
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1answer
142 views

What is mapped color and how to use them in astro-photography?

On some astro-photography website, I come across some incredible images with caption that says "X in mapped color" such as: http://www.rc-astro.com/photo/id1066_big.html What is mapped color? Why and ...
2
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2answers
76 views

Why are my long exposure sky shots out of focus? [duplicate]

If you take a look at a few of long exposure sky photos at Flickr, I think the context and content of the photo is okay, they are just all blurry. I'm using a tripod, 15 second exposure with a 18mm ...
2
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2answers
2k views

Will a faster lens, like f/1.4, help get better Milky Way images?

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 ...
2
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1answer
85 views

Will a focal length reducer help me image deep sky objects using an 8" newtonian telescope?

Will a 0.5x focal length reducer help me to reduce the exposure time if I am imaging deep sky objects? I'm using a 1200mm focal length optical tube (f/6), a 32mm super view telephoto extension ...
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2answers
214 views

Astrophotography, what to shoot with barndoor tracker and 200mm f2.8 lens

I have a self made, computerized barndoor tracker. The computer controls a stepper motor very precirsely. The tracking unprecisions come from building limitations and orientation precision. I do have ...
2
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2answers
115 views

How 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 ...
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3answers
2k views

How to brighten stars in Photoshop?

I have a few methods for brightening stars in Lightroom and Photoshop but most of these increase noise or worse make vignetting a lot more pronounced which is already difficult to deal with in night ...
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votes
1answer
232 views

How to enhance a cameraphone photo so you can see stars?

In the context of star photography, clearly you are not going to get as good of a photo with a smartphone camera as you could with a real camera and a long exposure. However, provided you have taken a ...
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2answers
682 views

How can I get a circular star trail effect?

How can I get this effect where the stars are seen as lines? Do you need a special camera?
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4answers
1k views

How can I get long exposure for star photography with a Nikon Coolpix P900?

I own a Nikon Coolpix P900. I'm still fairly new to photography but I'm interested in learning about photographing the stars. I've read that the best settings to do this are to have an aperture of f/2....
2
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1answer
104 views

What adapter do I need to use a Sony a7R ii with a Televue Pronto telescope?

I wish to take pictures through my Televue Pronto using my α7R II camera. Is there an adapter to allow me to do this?
2
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3answers
315 views

Night Sky SuperResolution (instead of star trails) - possible?

I don't know if this is possible, or runs into fundamental limits of sensors and photo sharpness. I want to "pretend" that I have a fancy night sky motorized rig - through software. Take a few ...
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2answers
524 views

How 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 ...
2
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1answer
154 views

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 ...
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1answer
79 views

How do I loosen the fit of a T-ring to ease mounting/dismounting a telescope adapter?

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 ...
2
votes
1answer
176 views

Which 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?
2
votes
1answer
285 views

IXUS 70 and astrophotography

I performed astrophotography at the time where CCD were experimental devices. The world has changed, my immediate passions too, and today my camera is a compact (but enough for everyday use) consumer-...
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3answers
176 views

Why does photographing the Milky Way require short exposure, when star trails need long exposure?

I can't understand — how do they work differently? I mean, when 2 secs exposure is required for photographing milky way, while 30 mins exposure is needed for photographing star trails, why isn't the ...
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1answer
96 views

Will a 14mm f/2.8 prime be useful for nearby action shots?

I am a novice amateur photographer. My only equipment right now is my Sony Nex 3N and the kit 18-55mm zoom. I had been hesitant to sink much money into lenses when I realized that building up a lens ...
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3answers
118 views

How can I make a telescope attachment for my DSLR to capture space images?

I thinking is there any way to make own telescope with help of magnifying glass(convex) and concave lenses arrangement so that we can take photo of space planet like moon, marsh. I know there are ...
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3answers
105 views

How to avoid vertical glare in astrophotography?

I recently took a few night shots of the Milky Way, but found that I kept getting this weird vertical glare and I don't know why. The below image shows it exaggerated by lights in the distance as well....
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5answers
699 views

Which lens should I use and how to take night pictures?

So I have a Canon T3 and I wanted to take pictures of the night sky and landscapes but since I'm a noob at photography, I was wondering which lens should I invest in that isn't quite pricey. I was ...
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2answers
1k views

What camera for astrophotography [closed]

Ok the question was asked what's the best beginners camera. I'm interested in a camera that will take great photos. I used to be an avid amateur photographer in the days of film. I'd like to get back ...
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1answer
397 views

How to capture supermoon using a Fujifilm X100T?

I am a novice photographer. I have a Fujifilm X100T, which has a fixed 35mm-equivalent lens. As today is the supermoon lunar eclipse, I want to capture the moon with my camera. I was wondering if ...
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2answers
26k views

What settings should i put my Nikon D3100 on to photograph the moon? [duplicate]

Possible Duplicate: How to capture details of the moon? I have a Nikon D3100 and I have 2 lenses; the 18-55mm and the 55-200mm. I'm unsure of what camera settings I need to use to get a nice ...
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3answers
58 views

Merging pictures of the Sun at the same location

I'm teaching an astronomy class in the fall and I had this idea for a photo project. I want my class to take a daily picture of the Sun (around sunrise) at the exact same location and having the ...
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2answers
84 views

Milky Way Photography [duplicate]

Images of stars are not very good with a full moon. But what if the moon has not risen? A 3/4 moon rises at 11:00pm tonight. If I travel to a dark spot and take images before 11:00pm will the star'...
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1answer
94 views

If i use ISO 1600 to photograph stars will image stacking help reduce noise but also add more detail?

I would like to take better photos of the stars, especially the milky way, but my highest ISO setting is 1600. I have now learnt that image stacking can help reduce noise when taken with the same ...
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1answer
106 views

When stacking images to remove noise in astrophotography, should the exposure be the same in each?

I am trying to get to grips with astrophotography and have read about image stacking to help reduce noise. I am a little confused about whether the images to be stacked are all taken at the same ...
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2answers
719 views

What are the red, blue, and green dots in my night sky photos? [duplicate]

I recently bought a new telephoto lens for my Nikon D5000. With the new lens I started taking pictures of the moon. When I take the pictures I have blue, red, and other colored dots in the photo, ...
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5answers
296 views

Should I get a dSLR or stick with a bridge camera? [closed]

I am looking to upgrade my canon point and shot compact. I am looking for a camera that will last me 5+ years and is quality. I plan on shooting holidays, nature and astrophotography - I have a ...
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2answers
684 views

What deep sky objects can be photographed without a telescope?

I'm considering purchasing a 70-300mm lens and a 1.4x TC to try some budget deep sky photography. I have seen some great pictures of the Orion Nebula taken without a telescope. My question is: can ...