<p>Many planetarium programs will allow you to do this.  For example, the first screenshot below is from <a href="https://stellarium.org/" rel="nofollow noreferrer">Stellarium</a>.  I turned off the &quot;ground&quot; and &quot;atmosphere&quot; and changed the projection mode to &quot;cylindrical&quot;.  The grid is the alt/az grid, with the horizon being the straight vertical lines with the cardinal points marked.</p>
<p>The second is a Hammer-Aitoff projection, with the horizon being the circle with the cardinal points marked.</p>
<p>Many more projection modes and options are available just in Stellarium, other software will likely have other options.</p>
<p><a href="https://i.sstatic.net/3RPBn.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/3RPBn.jpg" alt="enter image description here" /></a>
<a href="https://i.sstatic.net/bTCjf.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/bTCjf.jpg" alt="enter image description here" /></a></p>

CC BY-SA 4.0
2023-02-07T20:35:37.723Z
2023-02-07T20:35:37.723Z
Greg Miller
<p>I am searching for a good image that explains the field of view as seen from a certain latitude. Example: an observer standing on earth has limited view due to the horizon. Furthermore, he sees all stars in 23,56 hrs. (not all visible due to sun..)</p>
<p>I am searching and searching but can not find an easy image with our earth, a field of view (cone) the whole sky, and the observable sky.</p>
<p>Maybe someone of you has such an image. Would really appreciate this !!</p>

CC BY-SA 4.0
2023-02-07T17:57:20.610Z
I do not know of any images, but I wanted to mention that all stars are not visible during 24 hours. If at one of the Earth's pole, the Earth permanently blocks half of the sky. At the equator, theoretically the Earth does not permanently block any of the sky (but then atmospheric extinction "blocks" some of the fainter stars near the pole). In between the pole and equator, different percentages of the sky are permanently blocked.
JohnHoltz
CC BY-SA 4.0
2023-02-07T17:59:52.673Z
Not a cone, a hemisphere. At any one time half the sky is above the horizon, and half the sky is below.
James K
<star><star-maps>
Search good image for observable sky as seen from earth
BigQuestions
# Search good image for observable sky as seen from earth

(Asked by: username_0 on 2023-02-07)

I am searching for a good image that explains the field of view as seen from a certain latitude. Example: an observer standing on earth has limited view due to the horizon. Furthermore, he sees all stars in 23,56 hrs. (not all visible due to sun..)

I am searching and searching but can not find an easy image with our earth, a field of view (cone) the whole sky, and the observable sky.

Maybe someone of you has such an image. Would really appreciate this !!

**Tags:** star, star-maps
> **Comments:**
> **username_1**: I do not know of any images, but I wanted to mention that all stars are not visible during 24 hours. If at one of the Earth's pole, the Earth permanently blocks half of the sky. At the equator, theoretically the Earth does not permanently block any of the sky (but then atmospheric extinction "blocks" some of the fainter stars near the pole). In between the pole and equator, different percentages of the sky are permanently blocked.  
> **username_2**: Not a cone, a hemisphere. At any one time half the sky is above the horizon, and half the sky is below.  

---

## 1 answers

### Answer by username_3 on 2023-02-07. Score: 4

Many planetarium programs will allow you to do this. For example, the first screenshot below is from [Stellarium](https://stellarium.org/). I turned off the "ground" and "atmosphere" and changed the projection mode to "cylindrical". The grid is the alt/az grid, with the horizon being the straight vertical lines with the cardinal points marked.

The second is a Hammer-Aitoff projection, with the horizon being the circle with the cardinal points marked.

Many more projection modes and options are available just in Stellarium, other software will likely have other options.

[![enter image description here](https://i.sstatic.net/3RPBn.jpg)](https://i.sstatic.net/3RPBn.jpg)
[![enter image description here](https://i.sstatic.net/bTCjf.jpg)](https://i.sstatic.net/bTCjf.jpg)


---

