Finder Charts for T CrB

Additional AAVSO material on T CrB
Please read/watch these resources to learn more about the science and history of T CrB and how you can be part of this once-in-a-lifetime event!
•    Announcing T CrB pre-eruption dip:
•    T CrB webinar YouTube video:
•    AAVSO Alert Notice 750:

Coordinates (2000.0): R.A. 15 59 30.16  Dec. +25 55 12.6 (from VSX entry for T CrB)

Charts and Photometry Tables
Finding charts with comparison stars and related multicolor photometry tables for different scales of T CrB have been created for your convenience.

Scale of chart (.jpg) Scale of chart (.pdf) FOV deg FOV arcmin Limiting V mag Photometry table
              A              A 15.0 900 9.0         table
              AB              AB 7.5 450 10.0         table
              B (North up)              B (North up) 3.0 180 11.0         table
              B (South up)              B (South up) 3.0 180 11.0         table
              C              C 2.0 120 12.0         table
              D              D 1.0 60 14.5         table
              E              E 0.5 30 16.5         table

Customized charts may be created using the AAVSO Variable Star Plotter (VSP). Photometry bands to include in the photometry table are shown at the bottom of the VSP form; check the boxes of the bands you want to include (Sloan photometry as well as Johnson/Cousins available).

Questions? Please contact <>.