Alley in Pisa, Italy

by Lars Kotthoff

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

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

learn more… | top users | synonyms

6
votes
3answers
299 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
690 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 ...
4
votes
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
votes
2answers
3k views

Why are Curiosity Mars rover photos black and white with huge white border?

Bellow is the first actual-size photo of Mars taken from the NASA's rover "Curiosity". On the NASA's website you can see other images. Despite the fact that the planet's photos are fascinating, they ...
2
votes
1answer
105 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
votes
3answers
2k 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
208 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 ...
12
votes
6answers
2k 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 ...
1
vote
2answers
277 views

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

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
votes
2answers
1k 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
727 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
votes
1answer
191 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 ...
6
votes
3answers
8k 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
3k 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
405 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
votes
5answers
1k 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 ...
32
votes
2answers
3k views

What kind of camera do I need to capture deep space images?

By deep space image, I mean below kind. In the background it is space dust, I think. Is it dependent on camera or location? If on camera, what kind of cameras are capable to capture this kind of ...
22
votes
5answers
9k views

How does Peter Lik manage to capture the stars in such detail in the following photograph?

Here's the picture: I'm curious to know what techniques (i.e. shutter speed, aperture, ISO, etc...) he uses to capture the stars so vibrantly (assuming it wasn't Photoshopped). I'm guessing it was ...
6
votes
3answers
3k views

How to shoot images from a home telescope using a digital SLR?

I have a Meade Refracting Telescope and I have a Nikon D-50 camera. I would love to take pictures of Moon, etc as seen in my telescope using my camera. What is the best way to do that?
4
votes
3answers
463 views

Am I on the right track for astro photography?

After viewing a few photographs of the Milky Way, I have become obsessed with creating my own. I went out and purchased a new full frame camera with a 24 f1.4 lens. Am I on the right track with this ...
6
votes
2answers
718 views

Are there any decent telescopes for around $250 that I can mount my Canon 60D to?

I am looking to buy a telescope for about $250, are there any at that price range that can be mounted on a Canon body?
12
votes
6answers
3k views

How were these Astronomy Photographer of the Year images produced?

Looking at the winner of Astronomy Photographer of the Year, I'm wondering, how can one produce shots like these: ...
10
votes
4answers
2k views

What times and settings should I use for taking pictures of stars at night and falling stars?

The season of the falling stars started and I want to try to achieve some picture of stars and falling one too. I see a lot of picture with a immense number of stars but they are still. Now I'm ...
14
votes
5answers
2k views

How can they take pictures of the Milky Way?

I have had a trivial question for a long time. I can't understand how you can take a picture of outside of a thing, when you are a very small dot in it. Really, how did they take these pictures of ...
5
votes
1answer
790 views

Are mirror lenses appropriate for DSLR astrophotography?

There's a whole host of inexpensive mirror lenses available in the 500 mm - 800 mm range (this for example). They have slow max apertures (f/5.6-8) and a donut shaped bokeh (not a problem ...
10
votes
5answers
2k views

What is a decent beginner's camera for astrophotography?

I have a Celestron Astromaster 114EQ and live in a city (so light pollution is pretty bad). What would be a reasonable DSLR camera for taking photos of the moon and planets? My budget is under £250 ...
21
votes
7answers
7k views

How to nail focus for DSLR astrophotography?

I've been doing a bit of astrophotography and the problem that I almost always have is nailing focus. I'll manually focus on a bright star or the moon (which hopefully isn't an option!) by magnifying ...
8
votes
1answer
250 views

How important is a camera with improved Hydrogen Alpha sensitivity to astrophotography?

Right now I'm just using an unmodified digital SLR when I take photos, but I've heard that ordinary DSLRs have a filter on them that reduces what it picks up on the low (red) end. How much of a ...
12
votes
1answer
324 views

What is image stacking as it relates to astrophotography?

What is 'image stacking' and how can I apply it to my astrophotography to create better looking photographs? Are there any 'must have' resources for learning how to image stack for the purposes of ...
10
votes
1answer
35 views

What can I do to prevent sudden “jumps” in the tracking motor during long time exposures?

I occasionally have sudden jumps (visible after the exposure as all stars are "doubled") in the tracking stepper. How do I fix this problem?
8
votes
3answers
329 views

Increasing field of view for astrophotography

I have a camera adapter for my 1200mm reflector that I can put eyepieces in and I've tried it a few times but the area I'm photographing is too narrow, even at prime focus. (no eyepiece) I only get a ...
14
votes
1answer
237 views

How to plan the composition of astrophotography?

I want to shoot the Milky Way, some constellations, and planets. I want to include some natural landscapes in these photos, similar to these: ...
8
votes
1answer
837 views

What technique and settings should I use to capture meteor showers?

I'm just starting out with astrophotography and have read that this years most spectacular meteor shower display (at least where I live in Canberra, Australia) will be the Eta Aquarids Meteor Shower: ...
11
votes
5answers
246 views

How do I know what celestial events will be visible soon?

I want to get into astrophotography, and would like subjects that are a bit more unusual than the things we see every night like constellations and the moon. Where can I read about upcoming celestial ...
11
votes
1answer
287 views

Are hot pixels just one pixel?

I have been taking a few astro photos on a very high ISO, and have found what I think to be a few hot pixel. I though at first that I had managed to get a few very sharp pic of some red and blue ...
0
votes
2answers
2k views

Will I hurt my camera if I take a picture of the Sun? [duplicate]

Possible Duplicate: Can the sun damage the camera sensor? Under what conditions? Title says it all...can taking a picture of the sun damage any of the components? And along the same lines, ...
15
votes
4answers
12k views

How can I avoid star trails without an expensive tracking mount?

I want to take pictures of the Milky Way or a lunar eclipse or earth glow on the moon, but I don't have an equatorial tracking mount, and don't want to spend that much money on one. How can I get ...
7
votes
3answers
4k views

Best opensource/ free stacking software for mac for astrophotography

I am using snow leopard and mainly want it to automate the stacking as much as possible. I have seen that PixInSight looks pretty awesome, but that's not free, in-fact far from it, so I want something ...
7
votes
1answer
818 views

Can I combine two photos to get a good image of a non-full moon?

Is there a good combo of longer exposure and shorter exposure that I can use to get two photos of the moon that I can then combine to show the sun-lit side and the earth-lit side together so I have ...
2
votes
1answer
240 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) ...
14
votes
4answers
3k views

How can I simulate a long exposure photo using a set of shorter exposure photos?

I'm shooting towards the sky to capture the stars. The exposure time is 15 seconds, so I can see the stars still, without a trace. These photos are taken continuously one after the other, because I ...
0
votes
1answer
427 views

Tips for photographing long star trails [duplicate]

Possible Duplicate: Tips for landscape+stars photography? I need some tips and tricks for photographing long star trails. Some of the questions I am thinking about are: What aperture/ISO? ...
18
votes
6answers
877 views

How to photograph a partial solar eclipse?

There will be a partial solar eclipse tomorrow visible from Europe, Africa, Asia. I'm looking for photography tips. Looking for ideas for a typical amateur photographer but also for someone having a ...
6
votes
2answers
1k views

Pixel-to-RA/DEC mapping in digitized astrophotography

I have a 1443x998 picture of the stars (taken w/ a 35mm camera and then scanned) with the following stars at the following pixel locations: Altair x=782, y=532 [19h50m46.9990s RA, +08 52'05.959'' ...
2
votes
3answers
440 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 ...
37
votes
3answers
4k views

How do you photograph a lunar eclipse?

Tonight is the night of a lunar eclipse, and I'm curious, what kinds of tips do you guys have for photographing one? I'd like solutions for both consumer-grade equipment, as well as DSLRs, so that ...
18
votes
4answers
2k views

What's the best technique and kit for taking a picture of the Milky Way in a nearly pitch black landscape?

I've tried but I don't think my kit is good enough. How do you take pictures of something like the milky way? And if you've never actually SEEN the milky way, then you definitely MUST take a trip to ...
8
votes
2answers
4k views

What filters are commonly used in photographing the moon with a DSLR at night without a telescope?

All my, very limited, experience photographing the moon has been through small telescopes with low resolution mono-chrome cameras. Limited in that I prefer deep space objects with large scopes at very ...
22
votes
2answers
5k views

How do I digitally post process Moon photos?

I've created a few photos of the Moon using a Maksutov-Cassegrain telescope and a DSLR. I've tried different ISO settings, shutter speed, bracketing to find the best settings. Here I show a (reduced ...
9
votes
3answers
916 views

Astrophotography: real aperture vs f-number?

Reading up on astrophotography, there seems to be a movement that believes real aperture (diameter of iris) is more important than f-number when talking about speed. How and where did this come from? ...