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by Vian Esterhuizen

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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
428 views

How can I capture earthshine?

I am preparing for a photowalk with the purpose of catching earthshine (the part of the moon unlit by the sun but slightly glowing/visible because it catches some sunlight reflected by the earth). I ...
2
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2answers
445 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?
2
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3answers
2k views

Continuous Bursts of Many Short Exposures vs. A Few Long Exposures for Astrophotography?

When reading many sources that address doing astrophotography, I often see the advice to take multiple exposures and stack them rather than one long exposure. Often the reason given is that the longer ...
8
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3answers
6k views

Can you photograph the milky way with a full moon out?

Is it possible to photograph the milky way (or just any stars or stellar objects) when a full moon is out?
12
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2answers
392 views

What causes faint circles in astrophotography images?

When processing an astro-images taken with a Canon 450D and prime focus, I often end up with a series of faint circles radiating outwards from an off centre point. What are they and how do I get rid ...
0
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2answers
206 views

How do I convert a single FITS image into Red, Green and Blue images? [closed]

I've been looking for a software to get a FITS file and export 1 file for each of the RED, GREEN and BLUE channels. I came across Nebulosity last week, but I can't buy it's licence since I live in ...
3
votes
3answers
2k views

Stack star photos without trails but WITH sharp foreground?

I have a Nikon D5100 and a Tokina 11-16mm f/2.8 I want to stack multiple star pictures while also keeping some interesting foreground for context. I don't want star trails though. I understand that ...
15
votes
4answers
8k views

Longer exposure & lower ISO or shorter exposure & higher ISO - what gives better results when photographing stars?

I've been dabbling with night landscapes and star photography with varying levels of success. I know I don't have the ideal lens (Canon 17-40mm f4 on a Canon 6D body) but I've seen some great shots ...
4
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3answers
2k views

What camera equipment do I need for deep space photography?

I have a Skywatcher-127 telescope and would like to take some deep space images e.g. globular clusters etc. I have had recommendations about what webcam to use for planetary photography but not deep ...
4
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1answer
264 views

Which tracking motor to use for low-end wide-angle astrophotography?

I'd like to dabble in photographing the milky way in wide-angle, say 10mm, with long exposure times/time lapse, and maybe some longer photography lenses, but not mounted to a telescope. To avoid ...
7
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4answers
890 views

Deep Sky Photography with telescope without Tracking

I tried photographing moon and Saturn with a 8'' Dobsonian (without tracking). And it was a breeze. But I had to follow the '600 rule', i.e I only exposed it for less than (600/f) sec ~ 1/2 sec. But ...
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4answers
3k views

Capturing the Milky Way: what did I do wrong?

Back when I was a beginner in photography (I mean, a real one, using auto settings and stuff), I made this shot of the beautiful Finnish sky: Settings: 30 sec, f/5, ISO 3200, 18 mm Gear: Nikon D60 ...
29
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6answers
16k views

How do I capture the milky way?

Can the milky way actually be photographed like this? I know the image is manipulated, and is probably a composite, but how do you capture such contrast in the milky way? Is an equitorially mounted ...
0
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3answers
3k views

Can I expect good quality from a 2X TC on a Nikon 55-300mm lens?

I have a Nikon D3100 with the standard 18-55mm lens, and a Nikon 55-300mm lens. I bought a 2X teleconverter for the 55-300mm lens, but the TC seems to be unusable. At 300mm with the TC everything is ...
3
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5answers
5k views

Can I get longer than 15 second exposure with my canon SX 50?

I am new to photography and I was hoping to go take some pictures of star trails this weekend. I just bought this camera this week and I realized that the highest shutter speed is 15 seconds. Is there ...
2
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2answers
1k 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 ...
7
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2answers
1k views

What special equipment is needed to photograph the sun?

I have just seen some photos of the sun which someone did from their own backyard. Not sure what sort of equipment he used, but what could I use to photograph the sun with my DSLR? I have a Nikon ...
9
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2answers
849 views

How to shoot stars much bigger without trails?

I know it looks unreal/fake, but how can I take photos like this example? It's not a very long exposure because there are no trails. Also Betelgeuse looks noticeably red and it's cool. You can also ...
7
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3answers
325 views

How to predict when the moon will appear large?

Over the last few days, here in Eastern Canada, the moon (Full and close to it) has been appearing very large in the atmosphere around sunset. I know that also happens at around 2->3:00 am in the ...
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1answer
87 views

Can an M42 mount be used to attach an A-mount Sony camera to a NexStar telescope?

Do the NexStar-series telescopes allow for a camera to be attached using an M42 adapter?
9
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5answers
2k views

Practicality of using a telescope as a super telephoto lens?

This might earn me stupid question of the week honors, but reading this question made me wonder whether it would ever make sense to use a astronomy telescope + camera mount as an earthbound zoom lens? ...
6
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2answers
159 views

Can I intercept and interpret the autofocus signals sent to the lens?

I would like to use a Nikon D80 body with a reflecting telescope as the lens to take pictures of bright/textured objects in the night sky (e.g. the moon). The D80 has autofocus capabilities; the ...
11
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6answers
559 views

Are meteors dim?

I was out last night trying to shoot the Geminids meteor shower. I was using a Canon 5D2, 17-40mm f4.0 lens set to 17mm and f4.0, ISO 400. The camera was mounted on a non-tracking mount (only because ...
3
votes
2answers
2k 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 ...
7
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3answers
4k views

Does the Canon 60Da offer significant advantage over 60D with infrared filter for astrophotography?

I am looking to buy a new camera to upgrade from my 1000D. I found the 60D to meet most of my needs but came across the 60Da variant when trying to make a decision. The price difference is ...
25
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3answers
23k views

What is the “Rule of 600” in astrophotography?

This question mentions the "Rule of 600" for avoiding star-trails in astrophotography. What is this rule? How was it derived? How should it be applied?
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2answers
16k 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 ...
4
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1answer
1k views

Lens and tripod for deep space photography

I'm interested in deep space astro-photography, especially galaxies and nebulae. I wonder what is the best way to obtain a very good quality, at a decent price : A small telescope with a very good ...
2
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2answers
689 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 ...
4
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1answer
2k views

Which compact camera to shoot stars, moon and hopefully planets and sun?

I need a new camera! My Canon IXUS is now very old. What I want to be able to do is take photos of the night sky (stars, moon, planets) and the sun. Well, ideally! I have been looking at a bridge ...
5
votes
1answer
420 views

How do I stitch two star trails photos taken by different cameras?

Last night I took some star trails photos. I set the shutter speed to 30", put the camera in burst mode and used my remote shutter release (with shutter button lock) to hold down the shutter button. I ...
4
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2answers
466 views

How does light pollution affect astrophotography?

Light pollution by definition, adds more artificial light to the atmosphere. But how does this affect astrophotography? Do lights from the ground affect photographs of the sky (At the longer ...
7
votes
3answers
959 views

Co-linear dual tripod mount for huge lenses

I am about to buy a fun super-zoom mirror lens which is so long it has its own tripod mount. To protect the camera, I am wondering if there is a mount accessory which will allow for two items to be ...
9
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4answers
5k views

Astrophotography picture with too much noise. How do I correct this in postprocessing?

This is the Milky Way above Kakadu National Park, Australia, and my first try at astrophotography. Thirty second exposure, f/4.0 at 17mm with ISO 12800 (!!) which in hindsight probably was way too ...
8
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2answers
1k views

Why don't usual pictures of Sun show any protuberance or explosions?

I was just looking at this picture : http://i.imgur.com/69in3.jpg and wondered why no Corona or trace of the little explosions on the surface of the Sun are visible ... How should the Sun be ...
6
votes
3answers
402 views

What variable maximizes color in astrophotography?

I'm doing some research in astrophotography before my trip to Yellowstone and I'm most interested in pulling the color of the galaxies. I will be using a Canon 7D. What should I be focusing on in ...
4
votes
1answer
969 views

What can be used to “fight” light pollution in astrophotography?

I just read an answer to a question regarding astrophotography and I wonder what filters (and other stuff that helps) I can use for astrophotography for reducing the "effect" of light pollution. I ...
6
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3answers
2k views

Why milky way galaxy cannot be seen by human eye while by camera?

I was wondering by seeing the photos of Milky way galaxy, that how exciting it would be if we could see all those colors and stars like in those photographs (eg. below). source: ...
2
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1answer
127 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 ...
9
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3answers
4k views

Does long exposure cause hot pixels in photos?

Today, I was taking some shots of night sky. For each, I had 20 sec exposure. During picture review, I found a red dot which is referred as "Hot Pixel" according to some people on the Internet. ...
3
votes
4answers
258 views

Software suggestion to locate stars

I want to photograph the night sky and maybe get a Milkyway in the shot but dont know what position or time. Can you please recommend a software or a website that can let me know the position of the ...
13
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6answers
5k views

How do I set the focus in long exposure night sky shots?

I want to catch a good long exposure (5 - 15 seconds) shot of the International Space Station in the night sky as it passes over my city. Setting the ISO higher (say, to 100) and the exposure time is ...
0
votes
3answers
337 views

What would be a DSLR to use for combination outdoor photography and astrophotography? [closed]

I'm looking to start - finally, getting into photography again. I used to have a Pentax 1000 years ago that I used for B&W pics. Now, I want to get into both outdoor photography and ...
10
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2answers
2k views

Astro-Photography with Maksutov-Cassegrain Telescope and Canon EOS?

I have a Maksutov-Cassegrain telescope from Celestron C70 and I am interested in the Astro-photography. I want to know, if I can use this telescope to attach with my Canon 600D? Do I need anything ...
3
votes
3answers
958 views

Can taking photo of the moon and/or stars at night cause damage to the camera sensor?

We know that taking photo of the sun can cause some degree of damage to the camera and our eyes. So, are there any damage to the camera (point and shoot / DSLR) when taking photo of the moon and/or ...
8
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1answer
205 views

What do I need to know before attempting to photograph Venus in transit?

This Tuesday will be the last chance to view Venus in transit for the next 100+ years, so I'm planning to make the most of it. I'd also like to capture what I see for posterity, but this type of event ...
7
votes
3answers
13k views

How can I get correct focus on the moon or stars with my DSLR? [duplicate]

Possible Duplicate: How to nail focus for DSLR astrophotography? I don't know if D5100 is right camera for this kind of stuff, but I would like to shoot night sky covering moon, stars and ...
5
votes
1answer
4k views

How to take photos of a solar eclipse without damaging one's eyes or camera?

This upcoming May parts of the USA will experience a solar eclipse. So this leads to me wondering how you photograph the sun/solar eclipses and ensure that you do not damage the camera (or your ...
5
votes
1answer
738 views

Is astrophotography basically pointless with a moon in the sky?

I want to take some astrophotography shots of objects in the sky while not keeping the moon in the shot. I have read in a few places that you need essentially a moonless sky to do so. Does that mean ...
0
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5answers
2k views

Can I use BULB setting when taking remote pictures?

I have a Canon XTi/400D, which I connect to my Mac OS X 10.6 and am trying to take pictures when tethered to it using EOS Utility, but I am not able to use the BULB setting on my laptop. Is this ...