M13 NGC4617

Image of M13. A magnificent globular star cluster in the constellation Hercules and a faint companion galaxy NGC4617 (bottom left)

 

CGE1100 F/6.3

Canon 300D

ST-4 autoguided

80ED guide scope 2X barlow

4 180second 800iso images

8 330second 800iso images

Combined and processed in Photoshop

Done