Five Star Gift Ideas

It sounds like your dad has two very different interests, so I've come up with some gift ideas that might appeal to both.

For his love of astronomy:
1. A Star Finder: This is an astronomical tool that helps stargazers determine what is visible in the night sky at any time and location.
2. A telescope: Your dad can use this to observe the night sky. There are many types of telescopes available, and you can consult with an expert to suggest a model that meets your dad's needs and budget.
3. A night sky atlas: This comprehensive star chart includes outlines of constellations, diagrams of celestial points of interests, and explanations of significant astronomical events.
4. A planetarium experience: You can buy tickets to a planetarium where your dad can experience space wonders on a larger scale.

For his D&D interest:
1. D&D Player's Handbook: If your dad doesn't already own this definitive guide to D&D games, it would be a perfect gift for him.
2. A D&D dice set: Get your dad his very own set of dice – there are many different styles, colors, and materials to choose from.
3. A D&D themed mug: Your dad can enjoy his morning coffee or tea in a mug that boasts his favorite pastime.
4. A subscription to a D&D magazine: There are various printed and digital magazines dedicated to D&D games that your dad might appreciate.

Alternatively, you could combine your dad's interests by purchasing astronomy-themed tabletop RPGs, such as Starfinder or Eclipse Phase.

Whatever your budget, there should be something here to satisfy your dad's interests. And finally, don't forget to include a personal note or sentiment to make the gift even more meaningful.