M 15

12-15-03 about 8 pm  

Another shot at M15.  100 ten second exposures.  100 five second exposures.  100 two second exposures. 100 one second exposures.  Then these four files stacked on top of each other in Photoshop.

11-4-03

M15, a globular cluster aout 33,000 light years from earth.  Visual magnitude 6.2, 18 arcminutes.  One second exposure.  18 out of 40 frames stacked.

Another M15.  Unknown exposure.