Astrophotography

what apps do you use for star and milky way tracking?

File: milky way edit2.jpg (305KB, 1000x662px) Image search: [Google]

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>>2875345
On my laptop I use stellarium,its free and sooo good, you can set your location to anywhere in the world, set the time and date, even set the light pollution index number so you can see what the stars will look like when you go out, Ill throw in another pic I took a couple months back

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Perfecto, but how to catch no movement of stars with this long exposures? In my case when expose over 15sec stars become trails..

File: m31_r.jpg (461KB, 800x1200px) Image search: [Google]

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Andromeda
Skywatcher 200/1000mm reflector
Canon 6D

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File: veil_sigma_1200_w.jpg (598KB, 1200x800px) Image search: [Google]

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western part of the Veil nebula
Skywatcher 200/1000mm reflector

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File: m33_1200w.jpg (379KB, 800x1200px) Image search: [Google]

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M33 galaxy (1/2)
same scope as above

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File: m33_sigma_1200.jpg (347KB, 1200x799px) Image search: [Google]

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>>2875394
M33 galaxy, another shot

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>>2875390
you need parralactic (telescope?) stand with motor. Even cheap one-axis motor from cheap 130/900 newton is enough.

File: eagle_m16_web.jpg (418KB, 800x1200px) Image search: [Google]

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M16 eagle nebula

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File: m42_frame_stack.jpg (211KB, 911x1200px) Image search: [Google]

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M42 orion nebula
(single frame and stack)

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File: export1-2_web1200-980x654.jpg (55KB, 980x654px) Image search: [Google]

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M51 interacting galaxies

>>2875398
something which chasing stars? Moving with them? first hear of it! Thanks

File: heart_1200_w.jpg (745KB, 1200x801px) Image search: [Google]

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The Heart Nebula, IC 1805

Canon 400mm f5.6 on my telescope mount (EQ5)

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File: IMG_3281.jpg (335KB, 667x1000px) Image search: [Google]

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a meteroid next to the Jabbah star system (appears like a double star but there are actually 6 or 7 stars in that system)

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File: ex2-2.jpg (652KB, 755x1133px) Image search: [Google]

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NGC7000 / north america nebula
Canon 400mm f5.6, Canon 6D on EQ5 mount
astronomik cls filter
exposure 1h21mn

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File: dark skies21.jpg (263KB, 1000x662px) Image search: [Google]

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Op here, just went out tonight again, Ill post 2 good pics I got
1/2

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File: dark skies222.jpg (244KB, 1000x662px) Image search: [Google]

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2/2

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>>2877201
>>2877202
Really dig both of these. Nice shots.

>>2877202
>>2877201
http://petapixel.com/2015/01/06/avoid-star-trails-following-500-rule/

File: 27489894844_a8457a0e49_o.jpg (4MB, 5722x3815px) Image search: [Google]

4MB, 5722x3815px

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>>2877502
Try to do a composite with a longer lower ISO shot of the landscape and a separate shot for the sky, then combine them in photoshop.
This way the landscape will be mouch more clear and much less noisy while the starscape will have no trailing. You can process the starscape separately to remove noise from the black sky but leave the brighter parts, stars, clusters and nebulae brighter.

>>2875392
I'm a sucker for Andromeda. It's just a damn good looking galaxy.

>>2875393
This is a rad shot. Generally, I don't think of astro stuff as being heavy on composition, but this has a nice balance to it.

This thread makes me hate living in the part of the country I do during the summer. It's just so damn hazy all the time. Most nights, there's too much cloud cover to do anything, and even if it's not mostly cloudy, it's just a hazy soup with shitty air.

>>2877522
Astrophotography season is autumn and winter, that is when the air is mostly still and clear.
Summer is an off-season for astro but rarely there are a few usable nights. Even then the air is shimmering too much.

>>2877537
There is no "season"
Stop trying to simplify it that much. Watch your air humidity and cloud cover and you can regularly shoot in the summer.

Winter typically shows the worst face of the milky way by the way. The best view of the eye is july-august

>>2877461
ik but I dont have a fast lens, you cant tell too much the trails and im fine with it

>>2877711
Try stacking them, use photoshop's average or smart stacking feature. It reduces noise and enhances detail in the milky way. Then you can put it back into the landscape shot.
Most of the starscape shots you see on the internet etc... are made with such composite methods with separate shots for the landscape and stacking many frames for the stars.

File: IMG_9433.jpg (941KB, 1080x1350px) Image search: [Google]

941KB, 1080x1350px

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File: IMG_0147_IGlandscape_1080px.jpg (321KB, 1080x720px) Image search: [Google]

321KB, 1080x720px

>>2877791
And another I tried taking out a plane window recently, no tripod or fast lens so was handheld with high ISO.

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File: IMG_5120.jpg (4MB, 3744x5616px) Image search: [Google]

4MB, 3744x5616px

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File: a.jpg (3MB, 1800x2700px) Image search: [Google]

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>>2877802
Forgot to resize. sorry.

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>>2877806
Still too large, it should be around 1000px on the long side

File: escape252.jpg (277KB, 1000x662px) Image search: [Google]

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>>2877722
Stacking as in taking multiple shots? and Ill throw in another pic from yesterday again

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File: DSC_0180 low.jpg (914KB, 6000x3880px) Image search: [Google]

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File: 1467858491998.jpg (532KB, 768x1152px) Image search: [Google]

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Still pretty new to this. Constructive criticisms?

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File: ETA (140).jpg (221KB, 615x922px) Image search: [Google]

221KB, 615x922px

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>>2877999
this one is out of focus and very grainy, try using a wider focal length and less ISO

File: ETA (1194) - Copy.jpg (367KB, 615x922px) Image search: [Google]

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>>2878002
Thanks, I haven't been able to get back out west lately and have been kicking myself now that I've figured out that low ISO is better. I have a new D750 body and lens shipping right now, so I'm just trying to figure out what an optimal setup would be. This one here was taken a couple of weeks later but i would like to improve more.

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File: 070-Pano.jpg (770KB, 1200x848px) Image search: [Google]

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>>2877546
>There is no "season"
There's no universal season for everyone, but depending on your location on the globe there can definitely be seasons that are largely useless. If you live in a tropical or subtropical climate and you've got a hot, mostly rainy summer season, you're rarely going to have an opportunity for good astrophotography. For example, temperatures were I am have have been mid to upper 30's C (high 90's F) with average humidity 80% or above for the past few weeks. Looking ahead, it looks like get a nice reprieve one day with humidity down as low as 70%!

>>2877546
>There is no "season"

i live in alaska. we literally do not reach nautical twilight during the summer, much less astronomical twilight. for several months astro simply isn't possible.

yes, there are seasons.

>>2878788
neat, how close to the arctic circle are you?

>>2878801
not very relatively speaking. i'm in the southcentral part of the state.

I'm new to astrophotography, any general tips someone can give me? I want to take pictures of nebulas.

File: DSC_4261_mod_small.jpg (3MB, 3000x1987px) Image search: [Google]

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Andromeda

I shot this with my DIY motorized equatorial rig.
I adjusted the levels a bit in PS.

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File: export1-2.jpg (496KB, 1200x801px) Image search: [Google]

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>>2879887
nice! Just took one of andromeda also.
First time I do it with the 400mm, not really happy with the result but I least I did something tonight..

Canon 6D, canon 400mm f5.6 on my scope mount (total exposure 1h30mn)

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>>2879174
Start with the lenses you already own, before buying anything. Download the Stellarium software to see all the objects visible in the night sky, and try to shoot the biggest and brightest nebulae like >>2876162. Summer is great for this because there is plenty of stuff in the milky way, that you can shoot with small focal lenghts.

Then learn about stacking your images (with a software like DeepSkyStacker):

https://www.youtube.com/watch?v=e0JSTF8SGi4

is a very nice video introduction to astrophoto and stacking.

The main thing about astrophoto is exposure time. You can look into building a barn-door tracker, or buy a motorized mount (equatorial mount) to increase your exposure time. The goal is to have insane exposure times, to capture all these photons from distant and faint objects.

>>2880029
>that strafing

does anyone know what causes this?

File: 1444716026_8f9b2d209e_b.jpg (288KB, 1024x686px) Image search: [Google]

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>>2875338

tripod. D200. Bulb setting. polaris

>>2877793
This was very interesting.

>>2877202
I love powerlines. This is nice, good work!

File: cottage16-39.jpg (505KB, 1000x667px) Image search: [Google]

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D7100, not too much trailing even at 30s

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>>2877851
https://www.youtube.com/watch?v=Rltg47Q64W0

File: IMG_0611.jpg (338KB, 1000x667px) Image search: [Google]

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old stuff

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>>2880314

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>>2880315

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>>2880316

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>>2880314
>>2880315
>>2880316
>>2880317
comfy as fuck

>>2880314
>>2880317
Not a fan of your 45 degree verticals

>>2880315
>>2880316
beautiful.

>>2880315
I love almost everything about this. That tree in the foreground that melts into the sky doesn't do it for me, but the rest is just really, really nice.

File: resize38.jpg (927KB, 928x1000px) Image search: [Google]

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>>2880180
Ay boss I heard ya liked powerlines

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>>2880293
Just watched the whole thing, that was confusing af

>>2880621
Just imagine how better human society would be if he could see this at night with his eyes instead of looking down at his feet hiding from a god

File: DSC_7387-2.jpg (478KB, 800x1000px) Image search: [Google]

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Weather was fucky

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>>2880163
Polaris isn't even in the frame.

>>2880621
>Ay boss I heard ya liked powerlines
Haha I do. Thank you matey, it's a treasure.

>>2880637
#wow,reallymakesyouthink

I came

https://www.youtube.com/watch?v=nam90gorcPs

File: IMG_6162 (Custom).jpg (548KB, 2250x1500px) Image search: [Google]

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Last total lunar eclipse of the quad series, fall 2015

Lens is a Canon 200mm 1.8 with a 2x. Backround is "The Chief" which is a granite monolith and climbing spot.

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File: ET-Extra-Terrestrial-Movie.png (144KB, 501x289px) Image search: [Google]

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>>2881770
I like it, first thing I thought of

File: awQms4Y.png (7KB, 432x332px) Image search: [Google]

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That's my saturn from 4 days ago :^)

>>2877201
What did you use for light painting in this? Car headlights? Flashlight?

File: Maricopa Rd HWY 238 Night 2 Photos GB 070916 0287_0302.jpg (709KB, 1000x667px) Image search: [Google]

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the astro-only (as opposed to astro landscapes) are sick. That stuff can get so heavy into hardcore image processing, that's another art in itself.

I particularly enjoy the landscapes in this thread too though.

>>2877791
This is dope. Seeing the foreground as well adds a lot to the photo- not using the MW as a crutch, so to speak.

>>2877793
Novel idea, and looks cool. It's different.

>>2877978
Michael J Fox :)

>>2878278
I would say at least levels and contrast adjustment. If you're at the level, also sharpened layer and curves layer for more contrast, both with a blurred layer mask.

>>2875412
This is awesome! One could not possibly plan a shot like that- it pretty much all comes down to probability at this point.

I'll post a few too.

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>>2883011

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>>2883011

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>>2883014

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>>2883016
I like this

>>2883011
>>2883012
>>2883012
>>2883014
noisy af pham, otherwise great shots

>>2882998
I used my head lamp

File: sm.jpg (238KB, 667x1000px) Image search: [Google]

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ISS. 12x eight second shots stacked.

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861KB, 1500x1001px

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>>2876162
How the fuck? I have a 300mm F5.6 and my lens doesn't seem to be able to actually zoom in far enough to see anything close to this in detail. Does adding an extra 100mm make that much of a difference? If so, would getting a sigma 150-500 F5-6.3 be a good idea? I'm really interested in astrophotography but I always thought you needed a proper telescope to even remotely get pictures like this.

>>2883678
kinda new to astrophotography myself, but I thought longer exposure stacking with noise editing is what makes the best shots not moar zoom

>>2883678
A lot of things in the sky are pretty big. They're just dim. The Andromeda galaxy is three times larger than the full moon, for instance. But you can't see that with your eyes, it's not bright enough, all you can make out even with binoculars is the fuzzy spot at the very center. What you need is to know where they are in advance and have a tracking system that can take long exposures. Which, yes, you then stack. (it's possible to stack the one-second-or-so exposures that you can get without tracking, but this is a bit like chopping down a tree with a knife)

300mm-equivalent is enough focal length for many things. (though not for others. Tiny galaxies and, especially, planets, need something much longer, which means a telescope)

I just picked up the Tamron 17-50mm f2.8, the non vc one for 275$, anyone have any experience with this lens for astro?

>>2884543
>275$
Brand new or used? Because you overpayed a whole lot if that's used, you can pick them up for under $200 aud. Anyway yeah I bought one last month, haven't had too much use with it yet but so far the only real problem is corner sharpness at 17mm.