astroimages
Darin E. Fields' Astrophotography Pages
 

M13--Globular Cluster in Hercules

Right Ascension16 : 41.7 (h:m)
Declination+36 : 28 (deg:m)
Distance22.8 (kly)
Visual Brightness5.8 (mag) 
Apparent Dimension16.6 (arc min)
More information on M13

Exposure: LRGB exposure: L=25 x 5 sec., R=20 x 10 sec., G=20 x 10 sec., B=20 x 10 sec.
Camera:ST-237 @ -25 C
Guiding: ST-4 on ST-80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL, Photoshop 6.0
Date: 05-03-02
m13-lrgb-2:

View the Quickcam image of M13