Tagged Questions
7
votes
3answers
730 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. ...
8
votes
6answers
922 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 ...
4
votes
1answer
222 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 ...
14
votes
4answers
7k 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 ...
13
votes
4answers
2k 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
395 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?
...
