Click on Image to switch to Annotated View.

                                                               Abell 2151 - Galaxy Cluster

    Abell 2151 is a galaxy cluster located in constellation of Hercules, about 500 million light years from us and It contain staggering number of about 200 galaxies of any kind, including interacting galaxies that you can spot on this image. Abell 2151 cluster, being of enormous size, is just a part of much larger Supercluster known as Hercules Supercluster, which on it's own, part of even much larger superstructure called "Great Wall Superstructure". 

     Don't forget to check the full resolution image where almost every bright irregular blob or spec is a distant galaxy. The annotated version easily shows more than 50 galaxies.

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Technical Info:

Optics :          GSO 8" RC + CCDT67 @ F5.3 @ 1062 mm

Camera :        QSI 660 - WSG8

Filters :          Astrodon Gen 2 E-Series - RGB Filter Set - 1.25"

Mount :          NEQ-6 Pro (Self Hypertuned/Belt Mod)​

Guiding:         QSI OAG + SX Lodestar 2 + PHD 2.6.5. 

Acquisition :    Sequence Generator Pro (3.0.1.0) 

Exposure :       L     (1x1) -  48 x 180    2 Hours 24 Minutes 

                      R     (2x2) -  20 x 180    1 Hour  

                      G     (2x2) -  20 x 180    1 Hour  

                      B     (2x2) -  20 x 180    1 Hour  

                      Total Exp: - 5 Hours 24 Minutes

Calibration:     Bias, Flats, Darks

​Processing :    PixInsight 1.8.05 (1353)

 Copyright  © 2019  Sergio Kaminsky. All rights reserved.