Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205
The Great Hercules Globular Cluster, Don Curry
The Great Hercules Globular Cluster
Powered byPixInsight

The Great Hercules Globular Cluster

The Great Hercules Globular Cluster, Don Curry
The Great Hercules Globular Cluster
Powered byPixInsight

The Great Hercules Globular Cluster

Equipment

Loading...

Acquisition details

Loading...

Description

Imaged for the first time without hyperstar. I used my C11 at F6.3 at 1600mm without autoguiding which was a challenge; but was up to it since I had my azmuith bolt repaired I was able to get polar alignment better. Although at this focal length autoguiding would help. I was doing 1 minute subs for my 8 captures.

I wanted to do more but the moon was somewhat in the way with its brightness and I had to much LP at my sisters while on vacation in Kentucky.

An English astronomer Edmond Halley noted " This is but a little patch, but it shews itself to the naked Eye, when the Sky is serene and the Moon absent.". M13 is one of the brightest globular clusters in the northern sky.The cluster contains hundreds of thousand stars. At a distance of 25,000 light years, the cluster stars crowd into a region 150 light years in diameter, but approaching the cluster core upwards of 100 stars could be contained in a cube just light years side to side..The cluster's evolved red and blue giant stars show up in yellowish and blue tints.

Please click on image to see it enlarged.

Comments

Sky plot

Sky plot

Histogram

The Great Hercules Globular Cluster, Don Curry

In these public groups

Cloudy Nights