NEBULOSA COMPLEX IN ORION'S SWORD + Emanuele La Barbera + L-UItimate

source:Optolongpopularity:21Release Time:2026-02-11

NEBULOSA COMPLEX IN ORION'S SWORD

Credit: Emanuele La Barbera

Filter: Optolong L-UItimate 3nm dualband filter

 

 

 

 

 

NEBULOSA COMPLEX IN ORION'S SWORD
Orion's Sword is a distinct group of stars located in the constellation of Orion and home to one of the most important astrophysical complexes in the Milky Way: M42, the Orion Nebula, a vast H II region located about 1,350 light years from Earth. This nebula is one of the closest and most easily observable areas of massive star formation, making it a natural laboratory for studying the physical processes that govern the birth and evolution of stars.
M42 is dominated by intense ionised gas, mainly hydrogen, whose emission is fuelled by ultraviolet radiation produced by the hot, young stars of the Trapezium cluster, in particular the star θ¹ Orionis C. The interaction between ionising radiation and the interstellar medium generates a bright H-alpha emission, accompanied by lines of ionised oxygen and nitrogen, which trace the three-dimensional structure of the nebula and the variations in gas density.
Around the Orion Nebula, we can also appreciate the vast molecular clouds, shown here with the H-alpha emission highlighted, which actually cross the entire constellation and form the vast Orion Molecular Nebula Complex.
Thanks to its favourable visibility, the entire complex has contributed enormously to the development of astronomical sciences, especially in the field of stellar evolution and in understanding the dynamics related to their formation, making it one of the most important and studied regions of the sky. 
Perhaps it is no coincidence that the Maya considered the M42 region to be the afterlife. 
Image obtained using the LHRGBO technique with Andrea Bianco. 
Many thanks to Robert Panai for his help in combining the narrow band with the broadband during processing. 

 

 

 

 

 

 

 


Shot data:
-Optics: Takahashi FSQ85 f3.8 and Omegon Quintuplet 72 f3.8
-Mounts: ClearSky ST-20 and Skywatcher Eq6-r
-Cameras: ZWO ASI 2600mc and Touptek 571C pro


Frames:
10×1.″(10″) (gain: 100.00) -10°C bin 1×1
260×180,″(13h) (gain: 100.00) -10°C bin 1×1
10×60,″(10′) (gain: 100.00) -10°C bin 1×1
Optolong L-Ultimate 2": 36×300,″(3h) (gain: 100.00) bin 1×1
Optolong L-Ultimate 2": 10×180,″(30′) (gain: 100.00) -10°C bin 1×1
Optolong L-Ultimate 2": 10×60,″(10′) (gain: 100.00) -10°C bin 1×1
Integration:
16h 50′ 10″
Location: Piano Battaglia, average SQM 21.50

Hope you like it.