
Cat´s Paw Nebula: Bear Claw Nebula as it is also sometimes called, was discovered 1837 by John Herschel at the Cape of Good Hope (Cape Town). Several very heavy stars, as big as ten times the mass of our sun, are ionizing the hydrogen gas in their neighbourhood, thus emitting light predominently in this spectral line. The nebula is in a distance of 5500 LY from us.
An image in the light of the H-alpha spectral line of hydrogen you will find here.
Object |
Cat`s Paw Nebula |
|---|---|
Catagory |
Nebulae |
Designation |
NGC 6334 |
Constellation |
Scorpius |
Optics |
TMB 130 f/6 with Field Flattener |
Camera |
SBIG STL 11000M with internal CFW 5 |
Exposure |
5 x 20min (1x1 bin) Baader H-alpha (7nm) filter, 3 x 10min each (1x1 bin) Astrodon True Balance RGB filterset. Maxim DL for image acquisition |
Calibration |
Dark Frame |
|---|---|
Guiding |
Selfguiding |
Mount |
Astro-Physics 900 GTO |
Processing |
Maxim DL5, Photoshop. Color Code L:Ha RGB |
Location, Date |
Somerset West, South Africa - 27 April 2009 |
Remark |
Multiple Luminance Layering |