NGC 654, VdB6, LDN 1343/1344, NGC 663

About image
NGC 654, in the center of the image, is a small (diameter 5’) open cluster in Cassiopeia: it contains about 60 stars and is located at an estimated distance of 8500 light years.
Around the second brightest stars of the cluster it is visible a very small bluish nebula: it is a reflection nebula lightened by the star light, it is catalogued as VdB6.
Near NGC 654 it is visible the sinuous shape of a dark nebula, LDN 1343/1344.
On the bottom right side it is visible another rich open cluster, NGC 663.

Technical data
Optics          Tecnosky Apo Refractor LT 130 - 910mm f/7
Mount         10Micron GM2000 HPSII
Camera          Moravian G3-16200 with external filter wheel 7 positions
Filters       Baader LRGB 50.8 unmounted
Guiding system     OAG Moravian M68 with guide camera Moravian G1-0301
Exposure details   L 16x600" bin1 -20C
                       R 14x300" bin1 -20C
                                     G 11x300" bin1 -20C
                                     B 16x300" bin1 -20C
Total integration   6.1h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5
SQM-L        21.3    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date           11 September 2018

© Roberto Marinoni 2019 - All rights reserved