Privacy Policy

This Privacy Policy (Personal Information Protection Policy) explains how we handle your personal information. By using the services (the “Services”) of Sirius Cat Observatory (operated by Sirius Cat Organization), you consent to the storage, processing, transfer and disclosure of your personal information as described in this Privacy Policy. This policy is effective as of March 17, 2021.

Collection of Personal Information

You may browse the Services without providing any personal information about yourself. However, in order to receive notifications, updates, and additional information about Sirius Cat or the Services, we may collect the following information: name, contact information, email address, company name, user ID, communications sent to and from us; computer and related information provided, including Additional information that you may choose to provide to us, including statistical information about page views, traffic to and from the Services, advertising data, IP addresses, standard web log information, and other information from your interactions with our Services, content, and advertising. If you choose to provide us with personal information, you consent to the transfer and storage of that information on our servers in Japan.

Cookies and Other Tracking Technologies

Cookies, web beacons, unique IDs, and similar technologies are used to collect information about the pages you visit, the links you click, and other activities on the Sirius Cat service.


We use your personal information to provide you with the services you request, communicate with you, troubleshoot problems, customize your experience, provide you with information about the services and site updates, and assess your interest in the services.


Sirius Cat will not sell or rent your personal information to third parties for marketing purposes without your explicit consent. We may disclose personal information to respond to legal requirements, to comply with our policies, to respond to claims that a posting or other content violates the rights of others, or to protect someone’s rights, property, or safety. Such information will be disclosed in accordance with applicable laws and regulations. We may share personal information with service providers who assist us in our business operations and with related organizations that provide joint content and services and assist in the detection and prevention of illegal activities. If we are planning a merger or acquisition with another entity, we may share personal information with the other company, and the new entity will need to follow this Privacy Policy with respect to your personal information.


Sirius Cat treats information as an asset that must be protected, and we use a number of tools to safeguard your personal information from unauthorized access or disclosure. However, as you are probably aware, there is a possibility that third parties may be able to illegally intercept or access your transmissions or personal communications. Therefore, while we work very hard to protect your privacy, we cannot promise that your personal information or private communications will always remain private.


Sirius Cat may update this policy at any time by posting the amended terms on this site. All amended terms will automatically take effect 14 days after they are posted on the Site.

Terms of Use

Sirius Cat may change the terms and conditions or additional terms and conditions applicable to the Service to reflect, for example, changes in legislation or changes to the Service. We encourage you to check the Terms periodically. On this page, you will find notices of changes to the Terms and Conditions. We will post notices of additional terms and conditions that change for the applicable service. Changes will not be applied retroactively and will become effective within 14 days of posting. However, changes due to new features of the Service or for legal reasons will take effect immediately. If you do not agree to the modified terms of service, you must discontinue using that service. In the event of any conflict between the Terms and any additional terms, the additional terms will prevail. These Terms govern your relationship with Sirius Cat. They do not give rise to any third party beneficiary rights. If you do not comply with these Terms and we do not take immediate action, this does not mean that we are giving up any rights we may have (such as taking action in the future). If we find that a particular agreement is unenforceable, this will not affect the other agreements. These Terms of Use, etc. shall be governed by and construed in accordance with the laws of Japan, and the Tokyo Summary Court or the Tokyo District Court shall be the exclusive court of first instance for any legal action arising out of or relating to these Terms of Use.

We, Sirius Cat, take our privacy policy very seriously !

Sirius Cat Organization

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