Messier 92 (M 92)

Introduction | Map | Sketch | My Own Observations | References

On this page I collect my observations of the globular star cluster M 92 in the constellation Hercules.

 

Introduction

The globular star cluster M 92 in the Hercules constellation is somewhat smaller (depending on the author, it is 7 'or 8' in size) than its more familiar "brethren" M 13. It is located above the Keystone asterism, the most prominent part of the constellation More difficult to find than M 13. I was able to clearly see the bright nucleus - M 92 appears somewhat more concentrated ta the center than M 13 - but not dissolve single stars.

Size: 7' / 8' (Stoyan/Karkoschka)
Distance: 25,000 light years (Stoyan)
Rating: *** (Stoyan)

 

Map

M 92 is located above the Keystone asterism and a little more difficult to find than M 13. First find the Keystone asterism!

 

Sketch

The sketch by Michael Vlasov (DeepSkyWatch.com) provides a rough impression of what I observed in Summer/Autumn 2016 (my impression was much fainter and smaller than the sketch):

Sketch of the M 92 globular star cluster by Michael Vlasov (Copyright © Michael Vlasov 2016) - presented with the author's permission

 

My Own Observations

Observations Summer to Autumn 2016

I observed M 92 at the end of August many times with the Heritage 100P, Heritage P130 and GSD 680 telescopes in various magnifications:

At the end of September, at the beginning of October 2016, I observed M 92 with the Heritage 100P in various magnifications and binoculars in France (Sumène, Haute Loire).

Observations May 2017

I approached M 92 in Mühlhausen / Kraichgau in May 2017 with the Sky-Watcher Explorer 150PDS on the GoTo mount:

 

References

On this Site