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Marcel Drechsler - Graphic Designer
Feldstraße 17, D-09471 Baerenstein
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© Marcel Drechsler, all rights reserved
images
recording data
| object | NGC 6960 |
| date of recording |
25 June 2016, 18 July 2017, 30 July 2017 |
| exposure | 6.8 h, H-Alpha: 304x50", OIII: 65x50", RGB: 100x60" |
| telescope | Celestron RASA F2.2 |
| focal lenght | 620mm |
| filter | Baader f/2 Highspeed 2" H-Alpha, Baader f/2 Highspeed 2" OIII |
| cameras | ZWO ASI1600mmc, Canon EOS 5Da MKII |
| guiding | 250mm guide scope, MGEN |
| mount | Celestron CGE pro |
| AstroBin | click here |
Fireworks 10,000 years ago
Ten thousand years ago, even before the beginning of the recorded history of mankind, a new light suddenly appeared in the night sky and faded after a few weeks. Today we know that this light was emitted by a supernova - an exploding star - and we call the expanding debris cloud the Cirrus or Veil Nebula. The photos show only a small part of the whole supernova remnant in the constellation Cygnus. The western part of NGC 6960 is less formally called the witches' broom nebula. The interstellar shock wave, which was triggered by the cataclysmic explosion 10,000 years ago, has been ploughing through space and sweeping up the interstellar material ever since. With narrow band filters, the glowing filaments of gas are remarkably well separated into atomic hydrogen (red) and oxygen (blue). The entire supernova remnant is about 1,400 light years away in the direction of the constellation Cygnus. This witch's broom has an extension of about 35 light years. The brightest star in the picture is 52 Cygni, visible to the naked eye from a dark place.
An older RGB image of NGC 6992, the eastern part of the Cygnus arc, as the entire supernova remnant is also called.
Baerenstein Observatory
private observatory
Marcel Drechsler
© Marcel Drechsler, all rights reserved
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Photos can be purchased as licensed files or printed.
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