NGC 6357 (Sco)

 

ngc6357.jpg (291313 Byte)

Technical data:     4"-Pentax SDUF II

                            ST10XME and CFW8 filter set

                            RGB (R=6x180s; G=6x180s; B=6x180s; RGB bin1). The channels were combined 1,2:0,9:1,4 per software

                            Authors: Volker Wendel and Bernd Flach-Wilken

Technical data:      4"-Pentax SDUF II

                            ST10XME with Custum Scientific 3nm-H-alpha filter

                            3x20 minutes exposure time

                            Authors: Volker Wendel and Bernd Flach-Wilken

 

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