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Questions tagged [image-stacking]

the process of combining multiple exposures to increase sharpness, reduce noise or for special effects, e.g. star trails

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33 votes
4 answers
18k 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 ...
thegreyspot's user avatar
19 votes
6 answers
2k views

ND Filter not Dense enough - How do I get long exposures in very bright situations, where my ND filter isn't enough?

What is the best way to achieve very long exposures in very bright, sunlit conditions? Right now, I have a Hoya ND-400 X filter (9 stops reduction), and even with my camera set to ISO 50, and F22, my ...
Fake Name's user avatar
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17 votes
4 answers
8k 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 ...
tomm89's user avatar
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16 votes
1 answer
1k 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 ...
Jay Lance Photography's user avatar
16 votes
3 answers
4k 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 ...
mekugi's user avatar
  • 161
15 votes
5 answers
3k views

What is the advantage of carrying a tripod and ND-filters when you could use image stacking instead?

From my understanding, if you want to take a long exposure of a landscape shot like the picture below, you have two options: Carry a heavy tripod everywhere you hike and then use a series of ...
SurpriseDog's user avatar
14 votes
3 answers
8k views

What are the consequences of stacking a circular polarizer on top of a UV filter?

The reason I'm asking this is that I don't have a circular polarizer yet and I'm planning to buy one. I know I'll be too lazy to unscrew the UV filter to put on the polarizer. I'm wondering whether ...
GeneQ's user avatar
  • 298
14 votes
5 answers
4k views

How can I depict vehicle traffic during daytime in a long exposure without washing out the vehicles?

I would like to take a picture of a street during the day to depict how much traffic and cars there are on the street. Is there anyway to do this with a long exposure photograph? I have a Nikon D90 ...
WilliamKF's user avatar
  • 1,715
12 votes
5 answers
24k 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 ...
Vasya Petrova's user avatar
11 votes
4 answers
2k views

Will stacking more images produce more detail in this galaxy photo?

I've just started doing a bit of astrophotography and finally after the third night of trying I found my target, the Whirlpool galaxy. I'm pleased I've managed to capture it but I'm looking into how I ...
Serberuss's user avatar
  • 273
11 votes
2 answers
1k views

How can I align two panoramic images?

I have two panoramas, which are already stitched. They were taken four years apart, of the same town from the same location. I want to align them and show them side by side, so that the viewer can ...
Wu Yongzheng's user avatar
9 votes
5 answers
5k 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 ...
Alok's user avatar
  • 193
9 votes
4 answers
7k views

Can stacking multiple exposure images in post-processing give the same effect as a long exposure?

I like to shoot daytime long exposures, where the exposure time is around two minutes. That shows the motion of the clouds in daylight. I used a Hoya nd400 (which is 9 stops) stacked together with a ...
judass's user avatar
  • 91
8 votes
1 answer
2k 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 on ...
Artur Kedzior's user avatar
8 votes
3 answers
14k 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 ...
Designer023's user avatar
  • 1,237
7 votes
5 answers
8k 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 ...
A S's user avatar
  • 71
6 votes
5 answers
2k views

What is it called when multiple photos are adjusted for further blending?

I have taken a series of noisy photos without a tripod. I want one less noisy version, so I need average them down to one photo. But details of the individual images do not exactly match, so that ...
Vi0's user avatar
  • 165
6 votes
4 answers
2k views

Sharpness stacking? [duplicate]

I have a 500mm f/8 mirror lens, which is super cheap and light, but which offers terrible resolving power (and a concomitant difficulty in nailing its manual focus). This 50% crop is pretty much as ...
feetwet's user avatar
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6 votes
1 answer
731 views

Why am I getting a repeating square pattern on my image stack?

I am stacking a still scene I took with my Canon EOS 6D in Photoshop to reduce noise. I've opened up raw files and stacked them with a smart object/median filter. However I've noticed something odd at ...
Can Poyrazoğlu's user avatar
6 votes
2 answers
1k views

Why does DeepSkyStacker output a "glitch" image with just vertical lines

Yesterday I've got my new tracker (iOptron SkyTracker), and took about 30 shots of the Orion Nebula (with my Canon EOS 6D and 70-200mm f/2.8 lens at 200mm, f/4, 6s exposure of each frame) and got home....
Can Poyrazoğlu's user avatar
5 votes
3 answers
15k views

Are there image stacking (astrophotography) options on MacOS that don't involve running a Windows VM?

I am starting in astrophotography. I want to create a "non star trail/track" result similar to what you would get with software like Deep Star Stacker in Windows, but I use MacOS. Do I have any ...
GhislainCote's user avatar
4 votes
4 answers
3k views

Multiple copies of the same exposure, but randomizing the noise?

As a budding astrophotographer, I find my results are still largely hit or miss. Sometimes the standard procedure of stacking multiple exposures to randomize the noise and boost the signal works ...
user382459's user avatar
4 votes
4 answers
6k views

Possible to do median image merge in Photoshop CS6 (NOT Extended)?

I attended a Kelby One workshop where he demonstrated the median combine method to blend multiple images and remove tourists, cars, etc. (i.e., anything that moved between shots). However, that ...
David Norris's user avatar
4 votes
3 answers
5k views

Does median blending / image stacking result in better or worse results than a long exposure?

For night photography, do long exposures work better or worse than taking a few photos and merging them in software (median blending / image stacking, like the excellent iOS app Cortex Camera)? You ...
Kartick Vaddadi's user avatar
4 votes
2 answers
1k views

How do I stack two photos in Photoshop to reduce noise?

I tried stacking two pictures in Photoshop to create a final image with less noise. But I ended up with a pic that had more. Is there any other way to stack two pictures so that there is less noise? ...
Mothi Mohammed's user avatar
4 votes
3 answers
516 views

Where can I find or make a script for focus stacking using Raynox DCR 250?

I am looking for a script for focus stacking with Raynox DCR 250. There is already default script there but it is linear and that is better suited to stock lenses and, with the Raynox 250 attached, I ...
Anoop's user avatar
  • 141
4 votes
1 answer
195 views

Why is my single test image much brighter than our Stackshot image output?

I'm working on taking stacked photos of small insect specimens for a university. I am using a Canon EOS 6D body camera. We are using a StackShot macro rail to image these specimens. An issue that has ...
jakecas's user avatar
  • 41
4 votes
1 answer
452 views

Can I change the color only of the bokeh in Photoshop?

Say I capture two photos of the same object. The second one with a light pointed towards the camera but away from the lens's optical path so the light creates bokeh. And in Ps, I want to stack these ...
user152435's user avatar
  • 1,515
4 votes
1 answer
1k 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 ...
Can Poyrazoğlu's user avatar
3 votes
3 answers
4k views

Can I use a single RAW file with stacking to reduce noise?

Can I get the same results by copying a RAW (same exposure) file many times and stacking to reduce noise as I would if I used many separate exposures?
Chad Williams's user avatar
3 votes
4 answers
3k views

How do I sum images?

I have a number of photos. I want to add these images togther pixel-wise (not mean or median). I have Imagemagick installed, and I tried: ...
Kartick Vaddadi's user avatar
3 votes
3 answers
403 views

Automatic identification of lucky images for landscape photography

I recently did a trial run for a project to photograph a certain rock climbing area from a variety of directions. I took shots at a couple of different times of day from the same spot, tried different ...
user avatar
3 votes
5 answers
15k 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 ...
Pakbabydoll's user avatar
3 votes
3 answers
2k views

How can I avoid star trails? [duplicate]

When shooting deep sky objects such as Andromeda or the Orion nebula, I find that I'm between a rock and a hard place. I can get passable results by running 3600 ISO and four second exposure. Any ...
Josh's user avatar
  • 31
3 votes
2 answers
268 views

Grainy rings on photos after stacking StarryLandscapestacker

I am having an issue that I am hoping for help here. I take astro pictures using: Nikon D850 with a Sigma 14mm F1.8 Dg ART lens on a tripod. I usually take a 6-10 images of the the night sky and ...
pce_photo's user avatar
3 votes
1 answer
376 views

What is the efficiency of Bulb mode vs taking multiple shorter exposures?

When looking at taking photos such as star trails where it requires a significant exposure time, is it more power efficient to use Bulb mode or taking multiple shorter exposures? Would keeping the ...
Tim's user avatar
  • 355
2 votes
1 answer
478 views

How to remove satellite streaks from photos?

I found myself struggling a bit removing satellite streaks from my astrophotography. The best option that I found is to use the Healing brush tool in Photoshop, but this has the danger of removing ...
jng224's user avatar
  • 1,608
2 votes
2 answers
153 views

Why does frame stacking alter colours?

I apologise in advance for the subject matter of my photos. I've not tidied the table for a few days. I needed indoor artificial lighting for the long duration of this experiment. Both images are ...
Paul Uszak's user avatar
  • 1,014
2 votes
1 answer
3k views

Should I turn off in-camera long exposure noise reduction when shooting for image stacking?

I have never shot with intervalmeter for the purposes of image stacking but want to at least try. I am going to try star trails but my question is this: Should I turn off in-camera long exposure ...
Jakub Sisak GeoGraphics's user avatar
2 votes
2 answers
2k views

How to stack photos manually?

I want to stack x number of photos to incrase the exposure of the final image. But I need to do it manually, I mean, using Photoshop but without using wizards. My approach would be using a layer for ...
rodripf's user avatar
  • 225
2 votes
1 answer
303 views

Why is my frame stacked image showing a grid?

The following is an auto-equalised image of 200,000 stacked frames from a small web camera. All the frames are of a very dark grey uniform background, and the histogram mode is about -1.5 stops below ...
Paul Uszak's user avatar
  • 1,014
2 votes
1 answer
105 views

Arcs in stacked star field [closed]

Stacking by Sequator 100 dng photos of night sky taken with a smartphone resulted in a (beautiful, I would say) populated star field where undesired arc strikes are seen all over the field. It is ...
Alchimista's user avatar
2 votes
1 answer
909 views

Why are my stacked RAW images overexposed in DeepSkyStacker?

When I use Deepskystacker for stacking about 40 pictures (RAW) of a Galaxy (underexposed), I always get overexposed tif results. When I stack these pictures in Photoshop and use smart objects and ...
Francis Sneyers's user avatar
2 votes
3 answers
2k views

How to exposure stack RAW photos while also outputting a raw photo?

So I have .DNG files that I have taken from an iPhone and I'm trying to figure out how to stack them and then output the stacked photo as a ...
Joe's user avatar
  • 155
2 votes
1 answer
709 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 ...
Teska's user avatar
  • 43
2 votes
1 answer
1k views

What's an easy way to de-rotate astronomical images taken without an equatorial mount?

I don't have an equatorial mount nor I plan to buy one. However, I would like to stack my night sky photos. Is there a software that can easily de-rotate my images so I can stack them? By easily I ...
Frederico Schardong's user avatar
2 votes
1 answer
1k views

Hugin panorama stitching: how to set control points with exposure stacks

When I stitch a panorama with Hugin from exposure stacks, should I create control points for each exposure or only for one exposure per stack?
sid_com's user avatar
  • 167
2 votes
1 answer
1k views

Why are my images from my Canon EOS 6D randomly rotated 90 degrees

I've shot a photo stack of tens of photos today using a steady tripod. However, in my results, some of my photos are randomly rotated incorrectly. It's both in camera and in Bridge and anywhere else. ...
Can Poyrazoğlu's user avatar
2 votes
1 answer
185 views

Combining multiple shots from a burst for noise reduction, when the subject moves slightly?

Is there a tool to use to combine a burst of exposures (to eliminate noise; all are same exposure) when the subject moves slightly and only in places? For example, you would not notice they are not ...
JDługosz's user avatar
  • 4,382
1 vote
4 answers
85 views

When to use image stacking?

By image stacking I mean the averaging of a number of separate photos to reduce noise, not focus stacking to increase depth of field. This requires the subject to be static and the use of a tripod. So ...
Not_Einstein's user avatar