Filters used:
L/R/G/B 
Image: M100 - A 'Grand Design' Spiral Galaxy
Scope - Mount: Celestron HD11
@ f/10 - CGE mount
Constellation: Coma Berenices
Camera:
QSI 583wsg
Imaged at: Temecula, CA
Total Exposure Time: Two hours
total (LRGB)
Date imaged: Apr. 16, 2012
Approximate FOV: 22' x 16'
Guided?: PHD w/SX
Lodestar
For further information, see: http://spider.seds.org/ngc/ngc.cgi?m100