M 5

About image 

Messier 5 is one of the most remarkable globular cluster in the sky, with its magnitude 5.6 and apparent diameter 23’.
Visible in the Serpens Caput constellation, it is located at a distance of 24500 light years and contains more than 100000 stars.
It is believed to be one of the oldest globular cluster in our galaxy, with an estimated age of 13 billion light 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   No guide
Exposure details   L 50x30" bin3 -15C 

         R 25x30" bin3 -15C
            G 25x30" bin3 -15C
         B 25x30" bin3 -15C
Total integration  1h02'30"
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5, BlurXTerminato, NoiseXTerminator, StarXTerminator
SQM-L       21.20    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date           11/12 April 2024


© Roberto Marinoni 2019 - All rights reserved