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Questions tagged [astrophotography]

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

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Hot do I get rid of satellite trails on astrophotos?

I tried to photograph the Northern Crown constellation last night (2024-05-10 23:40 UTC), but it was crossed by satellites several times: Here are the parameters of both pictures: 24 mm, f/4, 10 sec, ...
Neppomuk's user avatar
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4 votes
2 answers
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Removing a color gradient from the Crab nebula in GIMP

I'm new to this stack. I have a question about astrophotography. A while ago I took pictures of the crab nebula with R, G and B filters with a 120cm telescope. These pictures have already been ...
theWrongAlice's user avatar
1 vote
4 answers
135 views

How does image stacking work with astrophotography, when then sky rotates and therefore causes misalignment of the stack images?

How does image stacking work for astrophotography? If you were to stack the photos onto each other, then surely they would be out of line, due to the stars moving, right? Even if you take pictures ...
Marcus's user avatar
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17 votes
3 answers
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How can I make the milky way more apparent in my photos?

I was using 6400 ISO with a f2.8, 28 mill lens with a .46 adaptor on a canon m50 for about 15" for this photo. I tried a 1.8 50 mill, 28 mill w/o adaptor, longer exposure, shorter exposure, ...
BJ Miller's user avatar
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How can I photograph the annular eclipse high in the sky and still get a foreground in the image using 500mm lens?

How can I photograph the annular (or partial) eclipse high in the sky and still get a foreground in the image using 500mm lens? In particular, I'm interested in: If a 10 or 15 stop ND filter would be ...
John V's user avatar
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2 votes
2 answers
385 views

Convert Zoom % to Focal length

My Panasonic FZ70 zooms to 60x. The only focal length indicators on the lens are the minimum (20mm) and the maximum (1200mm). There is no indication of focal length as I zoom in or out; the ...
mbuk2's user avatar
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3 votes
2 answers
234 views

Continuous shooting without deadtime

I have a Canon 200D am I'm looking for a way to shoot a sequence of 10 pictures with a high exposure time (8s), minimizing the delay between the end of one exposure and the beginning of the following. ...
MarcoM's user avatar
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3 answers
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Why are larger apertures used for astrophotography? [duplicate]

Learning about aperture, and depth of field. I have understood it as such ...
user's user avatar
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2 answers
129 views

When is heat distortion (air turbulence due to heat source) significant in a telescope?

I have this "cognitive dissonance" regarding heat sources at or near a lens (or more specifically, a telescope acting as a lens, as used for astrophotography). On the one hand, a common ...
Cal-linux's user avatar
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Issue in file selecting to stack in Registax5

I have taken 1998 images of sun using a neural density filter. I preprocessed the images using PIPP and got a list of cropped images which were arranged in order of their quality. But then when I try ...
Anubhav Prakash ph20b003's user avatar
3 votes
1 answer
160 views

Calculate the ideal geometry of a Bahtinov mask for 200 mm MFT

I want to use a Bahtinov mask to focus stars with a Panasonic Leica DG Elmarit 200mm f2.8 MFT. So far I found out that the geometry of the perfect Bahtinov mask ...
Jonas Stein's user avatar
4 votes
2 answers
1k views

How can I find a lens locking screw if I have lost the original one?

I have an industrial camera with a C-mount lens, like this one: (Source of image, last accessed 2022.11.02.) You can see a tiny screw on the top of the picture. It is used to lock the focus ring or ...
LimeAndConconut's user avatar
1 vote
2 answers
363 views

Do "water repellent" coatings such as the Hoya HD3 or EVO filters prevent condensation/dew?

As asked in the subject — do they help? do they entirely eliminate the problem within "reasonable" humidity levels? In the manufacturer's description, they only emphasize the aspect of being ...
Cal-linux's user avatar
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2 votes
7 answers
645 views

Why is the commonly utilized aperture for moon photography much higher than that provided by DoF formula?

in this Moon Photography Guide, a F-Number equal to f/11.0 is suggested. In many answers in this forum, similar values are suggested (ranging from f/8.0 to f/11.0). Even if someone suggests f/5.6, it ...
Kinka-Byo's user avatar
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1 answer
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Why is the starry night sky so unaturally bright?

The night sky in my vicinity has been rather poor in stars even when it was (presumably) clear of clouds: You can see an slight orange glow, which hides faint objects in the sky. Here is a full-size ...
Neppomuk's user avatar
  • 608
3 votes
4 answers
175 views

What are must-haves for a beginner in wildlife photography?

I've enjoyed taking pictures of wildlife on my phone for a while, especially birds, and would like to get a camera to get better quality images. I would possibly like to try some astrophotography too. ...
Rachael's user avatar
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1 answer
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FOV on an APS-C and Full frame 'lens' [duplicate]

So this is a question about aps-c and full frame 'lenses' and not sensor format. My sensor here is constant - a Canon APS-C. This might be an already answered question but I couldn't find any that ...
NRB's user avatar
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3 votes
3 answers
507 views

Why does the live view feature of the EOS 70D only show one bright star when doing a starry night shot?

I once got a recommendation to use the live view (on-screen preview) feature to aim the camera (EOS 70D; astromodified) when shooting astrophotos. But even with the largest aperture (f/4) and ISO (12,...
Neppomuk's user avatar
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12 votes
5 answers
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Photo of sprites in a clear dark sky, is this possible?

On Earth Science StackExchange (ES-SE) we recently discussed this question: Photo of sprites in a clear dark sky, how is this possible? A photograph of Red Sprites was captured by David Finlay (see ...
Joscha Fregin's user avatar
2 votes
3 answers
662 views

How to process photos of night sky taken from smartphone

I'm from Karachi, Pakistan. I'm very much interested in astrophotography but currently, being not much able to afford high level equipment, I try to work on my smartphone and learn from basic YouTube ...
TalESid's user avatar
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0 answers
64 views

What features for starting astrophotography? [duplicate]

I'm looking to start astrophotography with my son. I've had some small success with getting bright stars on camera and planets in camera with my phone (sony Xperia 1 ii), but I want to make the jump ...
bizzehdee's user avatar
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3 votes
1 answer
413 views

Does Hugin support stitching pictures of the Moon?

I'm trying to stitch two incomplete pictures of the Moon together by using Hugin, but it doesn't find even one single control point, so I'll have to combine everything by hand. Here are the two pics I'...
Neppomuk's user avatar
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1 vote
0 answers
47 views

First lens for astrophotography [duplicate]

I'm only starting with astrophotography, and need some advice on which lens to buy for my Canon 250D (SL3). Currently i have only kit lens and Canon 50mm f1.8 stm. The idea was to start from something ...
kodlan's user avatar
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2 votes
3 answers
1k views

Proper exposure for taking a sunset, stars, and moonrise timelapse

I'm planning to take a sunset to nighttime to moonrise timelapse. On the day in question, the conditions are: Sunset at 7pm Nighttime at 8pm Milky Way visibility at 8:30pm Moonrise at 2:30am at 15% ...
oneself's user avatar
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2 votes
1 answer
309 views

How (the heck) did NASA photographer Joel Kowsky take this amazing photograph of the International Space Station transiting the Sun?

The NASA Image Feature Space Station Transits the Sun shows seven shadows of the ISS transiting the face of the Sun. In order to discuss the technical aspects of the process I've cropped bits of the ...
uhoh's user avatar
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3 votes
1 answer
269 views

What is this noise around Jupiter’s moon?

I do some amateur astrophotography and love the photos nasa produces and while looking at this one of Jupiter I noticed that, around its moon, the is a rectangle with a slightly blue tint and a bit ...
Beans's user avatar
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4 votes
2 answers
385 views

Astrophotography - Image quality reduced after multiple long exposures

I'm currently using NIKON D5600 for my untracked astrophotography, and depends on the target I need to take up to 100 exposures of 15-20 seconds each. I have a manual shutter remote and I manually ...
ariel's user avatar
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2 votes
4 answers
1k views

How do I eliminate the shake I'm getting using a supertelephoto lens and tripod to shoot the moon?

I have a Sony 200-600 (~5lb/2.1kg) that I'm looking to use for moon photography with a Vanguard Alta Pro 2+ tripod. I'm also using a 2X teleconverter and an APS-C camera (α6600). However I think my ...
C.E.Sally's user avatar
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6 votes
1 answer
241 views

Astrophotography in the age of Starlink; can "not a single image be taken that is not stricken" by a Starlink satellite?

In the Space SE question Are Starlink satellites flaring? there was a (now deleted) comment to the effect: I've given up astrophotography because not a single image can be taken that is not stricken ...
uhoh's user avatar
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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
5 votes
3 answers
248 views

Perseverance Rover Camera Sensor Resolution

(I have two questions.) I was looking at some pictures taken by the rover Perseverance, on Mars, and it got me thinking about the sensor it uses. Turns out that it uses a, about, 2MP sensor in its &...
poupou's user avatar
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2 votes
2 answers
237 views

What causes the multiple instances of the same object (star or planet) that appears on this photo?

On a photo I took, there seems to be multiple instances of the same object, is it a result of my low quality camera and lens, or something else? ISO: 3200 3s Body: Sony alpha 57 (mirroless) Lens: ...
Philip J's user avatar
1 vote
1 answer
170 views

Micro 4/3 adapter for T-mount astronomy camera?

Does there exist an adapter to mount Micro 4/3 lenses on a T-mount camera (43mm x 0.75mm thread)? I want to attach the Mitakon Zhongyi Speedmaster 17mm f/0.95 Micro 4/3 lens to an Atik astronomical ...
nerdfever.com's user avatar
5 votes
2 answers
374 views

How can I improve my milky way photographs?

I am new to the astrophotography world. My camera is a Canon SL2 and I use a Tokina 11-16mm trying to shoot the milky way at 14mm I noticed that my milky way shots do not look remotely close to some ...
Malcolm De Chicoye's user avatar
2 votes
1 answer
480 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
3 answers
206 views

Why does stacking reduce star color?

I attempted to photograph the Big Dipper last summer. While I am very happy with the overall result, I recently found that the color of the stars has been greatly reduced during stacking. The ...
jng224's user avatar
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3 votes
3 answers
371 views

Using a tilt shift lens on a star tracker

When I take night sky images I generally try to include a nice landscape in the foreground. I mostly use a 15-30mm F/2.8 lens with a star tracker to get 3-4 minute long exposures of the night sky. I ...
Arji's user avatar
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7 votes
1 answer
2k views

Hydrogen Alpha Filters (Buying The Right One and How It's Used)

I am looking to purchase my first hydrogen-alpha filter to use for day solar (Sun) photography as I just recently purchased a SkyGuider Pro device. However, upon several bouts of research I am at a ...
osswmi's user avatar
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3 votes
3 answers
740 views

How do I keep it from moving out of the frame so fast when taking a video of Jupiter?

This year on my birthday my sister gave me a 70mm telescope and a small camera. I tried to take a video of Jupiter, so I can learn how to stack and edit astrophotography images. But I noticed Jupiter ...
Adrian's user avatar
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2 votes
2 answers
522 views

How to distinguish between real stars and noise?

JPG 3468X4624 f/1.8 5.23mm 10sec Iso:1600 [13]: https://i.sstatic.net/70iZf.jpg![enter image description here](https://i.sstatic.net/axIn9.jpg)
Arush's user avatar
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8 votes
2 answers
3k views

Why is the North America Nebula so hard to see on this astrophoto?

Parameters: Canon EOS 70D, astromodified Canon EF 100–400 mm f/4.5–5.6 L IS Astronomik UHC filter iOptron Pro mount + bar with 1.5 kg counterweight + Slik travel tripod ISO 1000 150 mm f/5 50×13"...
Neppomuk's user avatar
  • 608
3 votes
1 answer
96 views

Equivalent of the 500 rule for working out how many frames you can take with a given focal length before resetting/moving a manual mount?

I'm new to astrophotography and I don't have a tracker. I just have a light pollution filter, an intervalometer and a camera on a tripod with a few different prime lenses. I'm using deep sky stacker ...
Benj's user avatar
  • 131
2 votes
2 answers
2k views

Why can't I see anything in the viewfinder or via Live View when my camera is connected to my telescope?

So I recently purchased a Canon T7 and a t-ring & adapter, and extension tube. I have a Celestron LCM 114 and I can't see anything. I attached my camera to the telescope and I can't see anything. ...
Kyle's user avatar
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22 votes
4 answers
8k views

What causes the fake colors of stars on these pictures?

About two years ago I was at a spot with a beautiful night sky with no moon so I tried to get some pictures of the sky. I wasn't well equipped back then, I had a 35mm f1.8 lens and Nikon D50. I didn't ...
Tomáš Zato's user avatar
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4 votes
2 answers
872 views

What interval between photos is recommended for shooting meteors?

I plan on shooting the Perseid meteor shower in one of the next nights (probably August 11-12). It is my first time (purposely) taking photos of meteors. I will be using my 18-55mm kit lens (this is ...
jng224's user avatar
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10 votes
2 answers
753 views

Why is the earth not overexposed in this star photo from the ISS?

The NASA Image of the day on August 6, 2020, is this picture titled "A Starry Sky Above the Earth's Atmospheric Glow": (Source and full resolution Image) When looking at this photo, I ...
jng224's user avatar
  • 1,608
2 votes
2 answers
293 views

Do you have to account for crop factor in the NPF rule?

The NPF rule is somewhat more "advanced" and more accurate than the 600 or 500 rule for astrophotography - both the latter tend to still produce star trails as camera resolution increased in ...
jng224's user avatar
  • 1,608
2 votes
2 answers
3k views

How can you stack Photos of a meteor shower?

I plan shooting the Perseids meteor shower this August. It is my first time photographing a meteor shower. This is the gear I will be using Nikon D5300 18-55 f/3.5-5.6 Kit lens A tripod (of course) ...
jng224's user avatar
  • 1,608
0 votes
1 answer
373 views

How to take good photos of meteor showers with a smartphone?

So there is a meteor shower on August 12th in British Columbia, Canada, and I was wondering if there are any tips on taking photos of the meteor shower with a smartphone? Or should I simply take a ...
Anonymous photographer's user avatar
11 votes
3 answers
3k views

Why do I need a telescope for astrophotography?

I understand visually that through a telescope, deep space objects, planets, etc, look much "better" than through a DSLR lens. However, I fail to find a good, technical reason why is this ...
Paul92's user avatar
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