Dr. Larry Krumenaker, publisher of *The Classroom Astronomer Magazine* (Marietta, GA: http://classroomastronomer.toteachthestars.net) is looking for images of several variable stars that show the star at different phases of their magnitude ranges.
The stars he is interested in are: delta Cep, T Cep, U Cep, R CVn, and R Cas
Unfortunately, he is working against a deadline of next Tuesday.
If anyone thinks they can help him out, please let me know (and I'll put you in touch with him.
AAVSO HQ (firstname.lastname@example.org)