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Ways to give

Your donation to the worldwide dark sky movement supports education, outreach, advocacy, and so much more. We rely on our members, with 63% of our annual budget coming from individual contributions.

Become a member

DarkSky membership has numerous benefits, including:

Photo illustration of a person on a hill at night overlooking bright city lights.
Monthly donors

Join the Nighthawk Monthly Giving Club

The Nighthawks have chosen a monthly recurring membership in DarkSky, which helps us plan and budget our resources much better for the year. It also saves time and reduces headaches for members.

Your support means so much to us, and our Nighhawks really make every dollar count!

Nighthawk benefits

Major donors

Join the Constellation Circle

We are grateful to individuals or organizations who commit to making an annual gift of $1,000 or more. Contact Susan Serven for more information.

How your money is spent

Your membership dues and donations support DarkSky’s work to educate the public about light pollution, advocate for better outdoor lighting at night, provide science-based leadership, and much more.

Learn more

Annual reports


Other ways to give

Gift memberships

Gift memberships are a thoughtful way to honor a loved one’s commitment to the night sky.

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Tribute gifts

Make a one-time commemorative or memorial donation in honor of someone living or deceased.

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Planned giving

DarkSky’s planned giving program provides the means for you to sustain the programs and projects that are critical to our success. By joining the Dark Sky Defender Society you will ensure that the dream lives on.

Learn more

Pay by check

Prefer to pay by check? You can mail it to:

5049 E. Broadway Blvd #105
Tucson, AZ 85711 U.S.A.

Gift of stock

DarkSky accepts gifts of stock. For information please contact [email protected].

IRA Charitable Gifts

Individuals aged 70.5 and older can distribute funds from their IRAs to DarkSky and other charities without counting the distribution as income. For more information please check with your bank or financial advisor, or contact [email protected].

Corporate matching

Your current and past donations can be matched by many employers, doubling or even tripling our positive impact. Many companies offer a matching gift program, and some will even match donations by an employee’s spouse or by retirees.

Find out whether your employer participates in matching gift programs by checking your company’s intranet or asking your HR department. Ask them for a matching gift authorization form and send the filled-in form to [email protected].

Corporate sponsorship

We have opportunities throughout the year for our donors and corporate partners to sponsor events and activities, including the Under One Dark Sky Conference and Capture the Dark Photography Contest. For more information about how you or your company can show your support of DarkSky with recognition and visibility to a worldwide audience, please contact [email protected].

Tax info

Your membership contribution is tax-deductible in the United States, as allowed by law. DarkSky is a tax exempt 501(c)(3) organization, registered in the state of Arizona.

Our EIN is 74-2493011.


DarkSky does not share our members’ personal information outside of the organization for any reason without your explicit permission. If there is a DarkSky chapter in your area, a qualified chapter leader may contact you about local activities and volunteer opportunities. For more info, read our Privacy policy.

Contact us

If you have any questions about membership or donations that aren’t covered here or the FAQ, please contact us.

Frequently Asked Questions

How long will my membership be valid?
Can I contribute to DarkSky monthly?
How do I update my credit card?
How do I update my email address?
What if I don’t want to receive mail from DarkSky?
What if I don’t want to receive email from DarkSky?