15) Hello!

14) Yup, Sagittarius.
13) Yup, it's a magnetar.
12) Yep, from the northern hemisphere, the object is in a "summer sky constellation".
11) It is not the Crab pulsar, nor one within the nebula.
10) It is not a winter constellation.
9) It's in one of the zodiac constellations.
8) Pulsar it is. [Which one? ]
7) Not a black hole.
6) It is a compact object, hence it's dense.
5) It is not in the Solar System.
4) Spherical it is.
3) Fussion is not happening there.
2) Nope. It is smaller than an astronomical bread box.
1) Yep. It is in our galaxy.