14 Feb Valentine's Day: the stars are the best present.
Cannot decide on the best present for your significant other? Make him or her feel special. You remember how it all begun: capture the sky as it was at that particular moment. Give the stars away.

GET YOUR SKY MAP HERE
 

A most personal present

Not all days are the same. Neither are their nights. Some you remember because something special happened. The sky as it was in that moment will be the best present. Seize the opportunity: Valentine's day, anniversaries, new born babies, weddings, company presents...
 
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your personalized star map here
We are all star dust

GreaterSkies builds a high-quality PNG image file, with the map of the sky as seen from a given place and time. And we print it for you. For example, the sky as it was when you met each other.

It is an original and very personal present, and a way to store for ever a memorable event.

 
 

Get your own sky

You'll see that not all stars are white, and which planets and constellations where above you.
  1. Choose a time and a place.
  2. Preview and buy it.
  3. Download the high-res image. We can print it and send it to you.
HOW DO YOU WANT IT? PRICES
 
Printed in photo quality at 24x20', we send it by courier. * $79.95
 
 
High-res PNG file (41.8 MPix). You decide how to print it.** $12.95
 
 
* Delivery in 5 days.
** You can order print and delivery for $67 after you get your file.
Click on the map or search here:


LOCAL TIME:
DATE:
Personal note (max 400 chars)
TIME ZONE:
x
move your mouse over the preview to see it enlarged


(opens in another window)


Building the image... Please be patient, this is a resource-intensive computation.
 
You have two options for
your star chart:
  1. We print it at 24x20": $79.95
  2. Download a PNG file: $12.95
In both you can add a personalized text of up to 400 characters.
Don't be left speechless.

Prices and charity

We give 5% of what you pay to one of two worthwhile charities (you'll get to choose which one after payment.)
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your Valentine's day present
 

The science

All the stars up to magnitude 9 that were visible are plotted, with an approximation of their actual colors and with an area corresponding to their magnitude. This is usually around 15000 stars. Planets, moon and sun are also shown, as well as constellations and star names.

The computation of the positions and the generation of the map is done in Common Lisp. The positions should be accurate for dates between around 1900 and 2100.

 

Why

Because it is fun, pleasing, and it makes the prettiest present with a scientific bent. We are commited to helping you give personalized presents that are both a work of art and a treat for the curious mind.



Related links

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