Bracket for Cellphone with Astronomical Telescope Adapter

FIG. 1 is a rear perspective view of a bracket for cellphone with astronomical telescope adapter showing my new design. FIG. 2 is a front perspective view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a front elevational view thereof; FIG. 5 is a right-side elevational view thereof; FIG. 6 is a left-side elevational view thereof; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. Broken lines illustrate portions of the bracket for cellphone with astronomical telescope adapter that form no part of the claimed design.