Spring 2012

Spring 2012
by ani

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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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7
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3answers
439 views

Astrophotography, image stabilization on or off?

Should the image stabilization be on or off when shooting astrophotography on a tracking mount? On one hand i think that it might stabilize any vibration caused by the camera, shutter or whatsoever, ...
2
votes
2answers
207 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 ...
3
votes
1answer
187 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 ...
1
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0answers
63 views

Quilted/Tiled Image Sensor: How do you eliminate stripes of missing photos in huge quilted sensors?

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 ...
1
vote
0answers
162 views

What is the best lens to shoot the Milky-Way on a crop camera? [duplicate]

I own a Canon 100d and i like to photograph the stars, I'd like to have a wide angle lens to capture the most of the milky way i can. Possibly as cheap as possible and have really good quality. Thank ...
2
votes
1answer
171 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
2answers
114 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 ...
2
votes
3answers
360 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 ...
1
vote
1answer
107 views

Am I experiencing field distortion while astro photographing when stars on the edges give trails?

I have started astrophotgraphing. My primary lense I use is Sigma 70-200mm F2.8 APO with Nikon D7100 and Sigma 2X TC. I also use Astrotrack without guidance. I have gotten rid of the coma by making ...
2
votes
4answers
558 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
votes
2answers
507 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 ...
1
vote
2answers
659 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 ...
3
votes
1answer
126 views

Does an already set (or not yet risen) moon still wash out stars?

If there's a decently sized moon (say, 50% visibility or more) but you still have a few hours of time before moonrise/after moonset, will the moon still wash out stars the same as if it were visible ...
3
votes
2answers
344 views

Combining 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 ...
2
votes
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 ...
1
vote
3answers
4k views

Which Canon lens would be best for landscapes and night skies? [duplicate]

I have a Canon Rebel T3i. It came with an EF 75-300 and EF-S 18-55. I like to take pictures of wilderness, especially at a distance, and some photos at night of stars and building clouds. What lens ...
-1
votes
2answers
6k views

shooting night sky photos with nikon d3300 [duplicate]

I want to shoot night sky photos. I have a Nikon D3300 DSLR with 50mm f/1.8D lens. I have a tripod , and a timer cord. Is my gear good enough to shoot night sky photos? Is there anything more I ...
4
votes
3answers
3k views

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 ...
2
votes
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 ...
0
votes
2answers
1k views

Astro-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 ...
7
votes
1answer
996 views

Stack of 4 seconds exposure photos of Milky Way, how is it done?

I'm looking at this photo in http://www.astrobin.com/17455/ In the description the author specifies: 100 x 4 second exposures at f5 and ISO12800, Canon 5DmkIII + 24-105f4L@105mm No tracking, just ...
0
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1answer
3k views

astrophotography with Nikon D3300 is possible? [duplicate]

i have Nikon D3300 DSLR with Nikon 18-55mm (VR2) lens and i want to shoot astrophotos. i wanna know if this possible with my camera or lens and if not , what should i upgrade ? and what to ? ...
0
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0answers
81 views

What would be the optimal settings for shooting Jupiter from non DSLR? [duplicate]

I have a Nikon coolpix L120 camera. I need to capture the details of the bands on the jupiter. I tried many times with exposure of 1/20th second with different ISO's, and got picture of jupiter ...
4
votes
7answers
39k views

What settings should I use to get a good GoPro 4 night timelapse of the sky?

I just got my GoPro Hero 4 and wanted to try the Night Timelapse mode. I have the exposure time set to 30 seconds and the interval between images set to 2 minutes. My pictures have a few stars on ...
6
votes
2answers
7k views

Which 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 figure ...
0
votes
1answer
247 views

Noise reduction before or after deconvolution?

NR before or after sharpening has been asked and answered, but deconvolution is much more complicated than simple USM. Many deconvolution algorithms have their own methods of handling noise, so I'm ...
0
votes
1answer
340 views

Is it a good idea to adapt a canon FD 50mm F1.8 on a MFT camera (lumix G5) for night sky shots?

I think it will allow around 10 seconds exposure without star trails, but needed to get inputs form anyone who had used this setup before. I couldn't find any sample photos online. From the chart here ...
2
votes
3answers
330 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 ...
1
vote
2answers
3k views

Canon 100d : How can I take a picture or timelapse of the Milky Way? [duplicate]

I recently purchased a Canon 100D and I'd really like to take a photo or timelapse the Milky Way. The current lens I have on my camera is the EF-S 18-55mm. Can this work?
0
votes
1answer
583 views

Attaching a bridge camera to a telescope (62mm filter piece to a T-ring)

I'm looking into buying the Panasonic Lumix FZ1000 bridge camera. While my main use for it is to shoot 4K video and some slow-motion stuff, I would also like to use it with a telescope. The FZ1000 ...
2
votes
2answers
426 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 ...
3
votes
0answers
183 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 ...
1
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0answers
574 views

Will Milky Way photos show too much grain when printed at 12×18"?

I want to print out either of these two Milky Way Photos on a 12x18 size photograph (Or vice versa if it is horizontal). http://500px.com/photo/77785439/milky-way-touching-the-trees-by-tom-jones ...
3
votes
3answers
4k views

Linux software for stacking and RAW processing

I'm starting with astrophotography and my DSLR produces CR2 raw images. I use Linux and want to stack series of shots and do RAW processing (curves, RGB balance, etc.) I googled and found software ...
1
vote
1answer
2k views

DSLR long exposures and sensor overheat

I'm starting in astrophotography with Canon 1100d and 75-300mm lens. My first goal is Milky Way. I read in a article that long exposures cause overheating sensor and even may damage it. Is it true? If ...
7
votes
2answers
2k views

Why did this photo of the Milky Way turn out badly?

I followed these instructions and written down the steps I understood to be important, that is: shutter speed = 600 / focal length * crop factor (1.5 for APS-C sensors) ISO = 6000 * f-stop^2 / ...
2
votes
4answers
802 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?
0
votes
1answer
570 views

Can you take a picture of a milky way on a canon EOS 300?

I really want to take a picture of the Milky Way using my camera. I'm not sure if it is able to pick it up? The lens I am currently using is a Canon EF 55-200mm. Should I be able to this?
4
votes
1answer
563 views

Is astrophotography possible in high humidity?

With all other conditions ideal (no light pollution, no clouds, no moon, right camera gear) but with a high relative humidity (up to 70%), will getting wide angle shots of the Milky Way, for example, ...
1
vote
1answer
195 views

Whats the “most amount of moon” acceptable for astrophotography?

The last time I shot the sky, it was a full moon and it completely ruined my shot. What's the maximum amount of moon (i.e. 1/3, 1/2, etc...) that can be out that won't adversely impact a shot of the ...
5
votes
5answers
1k views

How do I choose a lens to photograph the Milky Way?

I'm looking at buying a new lens for some night photography out in rural Australia. I'm in the middle of a national park for the next 6 months, so light pollution isn't an issue, and the skies are too ...
1
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0answers
291 views

Astrophotography without a Star Tracker [duplicate]

I'm into Astrophotography lately. I'm using a Canon 550D with kit-lens. 1) I found there was a displacement of stars (obviously) in the picture that I stacked. How to solve this as I don't use a ...
3
votes
2answers
4k views

How to reduce Jupiter brightness in the photo?

I am struggling to set correct parameters to get a nice shot of Jupiter in the night sky. I am using DMC-FZ200 and I get a result like this: Moons are clearly visible, but the planet itself is way ...
0
votes
2answers
3k views

Capturing astro photography with D7100

I just bought a Nikon D7100, with the basic kit lens 18-105mm. I was wondering, if I can capture stars or milky way with it. Will the answer to this question work for me? As it says 24mm on f/2. Also ...
3
votes
2answers
7k views

How can I do astrophotography with my 70-300mm lens?

I got a Nikon 70-300mm lens as it was on discount. I want to know if I can do astrophotography with it? I want to maximize the use of the lens. I wanted to get a 34-300 mm lens, but it was expensive. ...
5
votes
3answers
227 views

How can I match light levels in a composite / panorama astronomy photo?

I have made a mosaique of the sun, but all pictures have different light levels. I was wondering how to match these colors to be the same everywhere. So basically I need all the pink to be the same ...
33
votes
4answers
9k views

Why am I unable to capture as many stars as I can see with my eyes with my new DSLR?

I have recently been given a Nikon D7000 as a gift. I have been trying to take pictures of stars on very clear nights. However, I am unable to make the camera capture many of the stars. My eyes seem ...
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vote
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 ...
12
votes
2answers
1k views

What causes and how can I avoid this moiré pattern in a composite night sky photograph?

I'm new to taking star trails, and fairly new to photography in general. After my first attempt at taking a star trail, I composited them in Photoshop and when I merged the layers I got this pattern ...
4
votes
2answers
3k views

How do I choose a telescope for space and planets photography?

I am new to photography. I just bought a beginner's camera, a Nikon DSLR 3100. I am interested in space and planet photography. How do I select a beginners's telescope for this purpose, and how to ...