M 11

About image 

M11 (sometimes also known as the Wild Duck Cluster or with the acronym NGC 6705) is an open cluster visible in the Scutum constellation. 

With a magnitude of 6.3 and an apparent size of 14 ', it is one of the richest and densest open clusters known, with an estimated population of around 2900 stars. 

It is 6000 light years from Earth and has an estimated age of 250 million years.

Technical data
Optic         GSO RC12 Truss - Aperture 304mm, focal lenght 2432mm, f/8
Mount       10Micron GM2000 HPSII
Camera        ZWO ASI 2600 MM Pro with filter wheel 7 positions
Filters        Astrodon Gen2 E-Serie Tru-Balance 50mm unmounted RGB  
Guiding system   ZWO OAG-L with guide camera ASI 174MM Mini
Exposure details    R 20x60" bin3 -20C
            G 20x60" bin3 -20C
          B 20x60" bin3 -20C
Total integration  1h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, BlurXTerminator, NoiseXTerminator, Photoshop CS5
SQM-L       21.2    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date           1 August 2022


© Roberto Marinoni 2019 - All rights reserved