Observer's Challenge - May 2017

Here are the Observer's Challenges for May 2017.
 
Beginner Challenge Intermediate Challenge Advanced Challenge: Lunar Challenge:
Messier 3 
Messier 3
The "Antennae" Galaxies
 The
Abell 33
Abell 33
O'Neill's Bridge
 O'Neill's Bridge
 
I'd love to see more submissions into both the meeting and AstroNotes with observation reports for the challenges -- the reports need not be photographs, they can be sketches, field notes, etc. Be sure to send them to me for inclusion in the June meeting at meetingchair[at]ottawa.rasc.ca