Licensing Information

Last updated: September 8th, 2025

This document provides licensing information, acknowledgements, and third-party notices for the Night Sky application (“Software”). Night Sky is proprietary software owned and developed by iCandi Apps Limited.

This document is for informational and compliance purposes only. Nothing here overrides or limits the Terms and Conditions of Use.

1. Restrictions

The Software and any related documentation are protected by England and Wales copyright law and international treaty provisions. You may not copy, modify, adapt, translate into any language, distribute, or create derivative works based on the Software without the prior written consent of iCandi Apps Limited.

You may not assign this EULA or any of the rights or licences granted under this EULA, or rent, lease, or lend the Software to any person or entity. Any attempted sublicence, transfer, or assignment in violation of this EULA is void.

You acknowledge that the Software contains proprietary trade secrets of iCandi Apps Limited and its licensors. You agree not to decompile, disassemble, reverse engineer, or attempt to reconstruct, identify, or discover any source code, underlying ideas, underlying user interface techniques, or algorithms of the Software by any means whatsoever, except to the extent such restriction is prohibited by applicable law.

2. Intellectual Property

The Service and its original content, features, and functionality are and will remain the exclusive property of iCandi Apps Limited and its licensors.

The Service is protected by copyright, trademark, and other laws of both the United Kingdom and foreign countries. Our trademarks and trade dress may not be used in connection with any product or service without the prior written consent of iCandi Apps Limited.

3. Disclaimer of Warranties

YOU UNDERSTAND AND AGREE THAT YOUR USE OF THIS WEBSITE, APPLICATION, AND ANY SERVICES OR CONTENT PROVIDED (THE SERVICE) IS MADE AVAILABLE AND PROVIDED TO YOU AT YOUR OWN RISK. IT IS PROVIDED TO YOU “AS IS” AND WE EXPRESSLY DISCLAIM ALL WARRANTIES OF ANY KIND, IMPLIED OR EXPRESS, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
iCandi Apps Limited MAKES NO WARRANTY, IMPLIED OR EXPRESS, THAT ANY PART OF THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, VIRUS-FREE, TIMELY, SECURE, ACCURATE, RELIABLE, OF ANY QUALITY, NOR THAT ANY CONTENT IS SAFE IN ANY MANNER FOR DOWNLOAD. YOU UNDERSTAND AND AGREE THAT NEITHER US NOR ANY PARTICIPANT IN THE SERVICE PROVIDES PROFESSIONAL ADVICE OF ANY KIND AND THAT USE OF SUCH ADVICE OR ANY OTHER INFORMATION IS SOLELY AT YOUR OWN RISK AND WITHOUT OUR LIABILITY OF ANY KIND.

4. Third-Party Code and Libraries

4.1 Satellite Tracking
• Public source code for sgp4 from http://www.centerforspace.com/downloads/files/sgp4/AIAA-2006-6753Code.zip (public domain).
• Tutorials from Dr. T. S. Kelso show how to use it (http://celestrak.com/columns/).

4.2 Sean Barrett
• TrueType and image loading code (public domain). Image loading support in this app is derived from Sean Barrett public domain code.

4.3 Cass Everitt (BSD License)

Night Sky (the ‘Software’) is proprietary, closed source software.

Copyright (c) 2010 Cass Everitt. All rights reserved.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

4.4 AgileBits’ 1Password App Extension (MIT License)

Copyright (c) 2014 AgileBits Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

4.5 Eigen (MPLv2)
• MPLv2 licence: http://www.mozilla.org/MPL/2.0/
• Source code: http://eigen.tuxfamily.org/

4.6 Erica Sadun’s Code (BSD License)

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

4.7 Georg Kitz’s UIDevice-with-UniqueIdentifier-for-iOS-5 (MIT License)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

4.8 Josh Bleecher Snyder’s TLCommon (MIT License)

The MIT License
Copyright (c) <2009>

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

4.9 Tomáš Znamenáček’s Lambda Alert (MIT License)

The software is provided “as is”, without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and non-infringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the Software or the use or other dealings in the Software.

4.10 OpenStack (Apache 2.0)

Source: http://openstack.org/
Apache 2.0 license text: http://www.apache.org/licenses/LICENSE-2.0.txt

4.11 Makoto Matsumoto and Takuji Nishimura’s Mersenne Twister (BSD)

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

4.12 Resources Licensing Notices
• Night Sky (Software) uses code and data under licence from the application Dark Sky Finder by James Skidmore.
• Thanks to Jonathan Tomshine for the resources and large initial database of dark sky sites.

4.13 Light Pollution Maps
• P. Cinzano, F. Falchi (ISTIL – Light pollution science and technology institute)
• C. D. Elvidge (NOAA National Geophysical Data Center, Boulder)
• Maps based on these data were first published by Monthly Notices of the Royal Astronomical Society.
• Thank you to Attila Danko for the Clear Sky Charts site which is found at http://cleardarksky.com/csk.

4.14 Moon Tours
• Apollo 11 & Apollo 15 Moon Tours: NASA Ames Research Centre SpaceShop for 3D model of lunar surface.
• Copernicus Crater Moon Tour: Thanks to Seth S. Horowitz and Peter H. Schultz of the Northeast Planetary Data Centre, NASA RPIF System for 3D model of lunar surface.

4.15 Music and Sound Effects
• Licensed under mass-market unlimited licences from NEO Sound.com.
• The tracks and License Certificate numbers are as follows:
• Magnetic Fluid (Full Track) – Composer: Aleksandar Dimitrijevic (TONO), Publisher: Lynne Publishing (PRS), License Certificate Number: 61608-MTR-92539
• Ocean World (Full Track) – Composer: Aleksandar Dimitrijevic (TONO), Publisher: Lynne Publishing (PRS), License Certificate Number: 61608-MTR-92540
• Tempus Nova (Full Track) – Composer: Aleksandar Dimitrijevic (TONO), Publisher: Lynne Publishing (PRS), License Certificate Number: 61608-MTR-92541
• Sound Effects licensed from Empty Sea Audio Media as part of UI One Sound Pack.

4.15.1 All music and sound effects are licensed for use within the Software only. No rights are granted to users to copy, distribute, or otherwise exploit these works outside the Software.

4.16 Data Sources
• The Sky Information element of the Software uses data about planets, stars, constellations and other celestial objects from Wikipedia, shared under the Creative Commons Attribution-Share-Alike License 3.0.
• Satellite information from AFSPC.

5. Omission of Notices

5.1 While iCandi Apps Limited makes every effort to identify and include all required third-party notices, acknowledgements, and licensing information, inadvertent omissions may occur. If you believe any attribution or licensing notice is missing or incomplete, please contact us at Enquiries@iCandiApps.com. Upon receipt of valid information, we will review and, where appropriate, update this document.
5.2 Any inadvertent omission shall not affect the validity or enforceability of the applicable licence.

6. Related Documents

6.1 This Licensing Information document should be read in conjunction with our:
• Terms and Conditions of Use
• Privacy Policy
• Cookie Policy
6.2 Together, these documents form part of the overall agreement between you and iCandi Apps Limited regarding your use of Night Sky and related services.
6.3 In the event of conflict, the Terms and Conditions of Use take precedence.

7. Accessibility

If you require these Terms and Licensing Information in an alternative format for accessibility reasons, please contact us and we will make reasonable efforts to provide them.

8. Contact Us

If you have any further questions about licensing of Night Sky, please email: Enquiries@iCandiApps.com

9. Legal Entity

iCandi Apps Limited (trading as iCandi Apps®)
® Registered United States of America Trademark Number: 4775066
® Registered European Community Trademark Number: 011830296
Company Registered in England & Wales
Registered address: iCandi Apps Limited, Unit B Rubery House, The Avenue, Rubery, Birmingham, B45 9AL, United Kingdom
VAT Registration Number: 131 6146 46
Private Limited Company Number: 7936208