Messier 15

From Wikipedia, the free encyclopedia

"Messier 15 or M15 is a globular cluster in the constellation Pegasus. It was discovered by Jean-Dominique Maraldi in 1746 and included in Charles Messier's catalogue of comet-like objects in 1764. At an estimated 12.0 billion years old, it is one of the oldest known globular clusters."

Back

Click on Image for Larger Resolution

Date :  September 2012

Location : Backridge Observatory, Spruce Knob, West Virginia

Equipment used :
 Lens or telescope -- Homemade 16" Newtonian with MPCC
 Mount -- AP 1200
 Camera -- QSI 583wsg unguided


Acquistion Software : ACP, MaxIm DL, Focusmax
Processing Software : MaxIm DL, Photoshop

Exposure Detail : RGB stack of 30sec, 60sec, and 120sec using Photoshop Merge to HDR

Filter

# exposures

Time (sec)

Binning

Red

12

30,60,120

2X2

Green

12

30,60,120

2X2

Blue

12

30,60,120

2X2

Back

 

 

 

 

 

 

 

 

 

 

 

This Web Page was Built with PageBreeze Free HTML Editor