The Trappist-1 system in the constellation of Aquarius looks intriguing. That solar system has 7 planets about the size and mass of earth orbitting it's sun. They appear to have rocky surface compositions like earth that humans could stand on, and not be all gas like Jupiter Neptune, Saturn, Uranus, as well as contain about the same proportion of materials like iron, oxygen, silicone and magnesium that make up our planet. Water in some form has been detected on all 7 worlds. 3 planets fall within the system's habitable zone, and Planet Trappist 1-E in particular looks like an ocean planet with not just water in the form of vapors and ice, but actual liquid water on it's surface.
The temperatures on Trappist E-1 are thought to be similar to ours too. It would be cooler, It has a calculated equilibrium temperature of -16 degrees Fahrenheit/ -27 degrees Celsius, but put that in perspective with planet Mars, the most likely candidate for colonization in our solar system, which has temperatures that can dip to about 280 degrees below farenheit. 1-E also has greenhouse gases to keep the planet warm, so a special space suit wouldn't be required just to survive the weather.
The gravity there is a little lighter than earth, but it's still 93% the same surface gravity, so that's a very close match, closer than Mars or the moon, or even Venus, so medical problems like muscle and bone density loss from dramatic decreases in gravity strength wouldn't be a problem. It wouldn't be enough of a gravity change to be that perceptible, just enough difference to make life on the planet more fun. You might find that you can go a little higher when you're doing jumping jacks and skipping rope, and your grocery bags and backpacks are lighterweight and easier to tote around, and that you have lost that extra 5 or 10 pounds of weight you had been meaning to after the holidays.
Due to the distance from the sun and it's temperature scientists think this exoplanet and others in the system receive an amount of light similar to planets in our solar system. It's supposed to be beautiful on Trappist 1-E too. Since the sun is an ultra cool red dwarf that would produce a stunning red pink glow to the sky, to give days with the appearance of always in sunrise/sunset. Because the planets all huddle very close to it's parent star you can see the six other planets from the sky the same way we would look up and see the moon from earth at night, but they would be twice the size of full moons, and if the neighboring planets have continents you would even be able to make them out from your own planet.
If only Trappist had a cooler name...