NGC 7000, The North America Nebula (Cyg)

Technical data:     Pentax SDUF 400mm f/4

                            STL6303 with 6nm AstroDon H-alpha filter

                            two frame mosaic with 4x900 sec for each part

                           Author: Bernd Flach-Wilken

Technical data:     Liechtenknecker Flatfield Camera 3,2/940mm

                            STL6303 with 12nm H-alpha filter

                            6x900 sec.

                           Author: Bernd Flach-Wilken

Technical data:   

North America and Pelican Nebula as a Tricolor-Composit, 12"f3,3 Deltagraph, Tech Pan 6415hyp., Red 25 min., Green 42 min and Blue 50 min. No color correction, only levels and curves were used to push the contrast

Author: Volker Wendel

Technical data:     Liechtenknecker Flatfield Camera 3,2/940mm

                            ST10XME with 12nm H-alpha filter

                            4x900 sec.

                           Author: Bernd Flach-Wilken

Technical data:    15"f/8 Newtonian

                           SBIG ST10XME, CFW8 and AO7

                           RRGB (R=6x1200s; G=3x600s; B=3x600s; all channels unbinned)

                           Comments: FWHM 2,0", left image above is the red channel itself

                           Author: Volker Wendel

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