This wide field, dominated a portion of the majestic Barnard's Loop, ties together in a common view several popular objects that are normally seen as separate pieces not in relation to each other.

Technical remark: These are the first pictures with the SA-GTI Mount backlash tuned (out of the box, backlash was completely out of order), and the narrowband night I used the GSS instead of EQAscom, that seems to better drive the mount. Star size and elongation clearly improved.
The image is HaGB with RGB stars.

Barnard's Loop
It is a huge supernova remnant, with the catalogue designation Sh 2-276. The stars within the Orion Nebula are believed to be responsible for ionizing the loop.
Recent estimates place it at a distance of either 159 parsecs (518 light-years) or 440 pc (1434 ly), giving it dimensions of either about 100 or 300 ly across, respectively. It is thought to have originated in a supernova explosion about 2 million years ago, which may have also created several known runaway stars, including AE Aurigae, Mu Columbae and 53 Arietis, which are believed to have been part of a multiple star system in which one component exploded as a supernova.
Although this faint nebula was certainly observed by earlier astronomers, it is named after the pioneering astrophotographer E. E. Barnard who photographed it and published a description in 1894.

M78
See a close-up image here.
Also known as NGC 2068, is a reflection nebula and a star formation area of a group of nebulae that includes NGC 2064, NGC 2067 and NGC 2071. This group belongs to the Orion B molecular cloud complex and is about 1,350 light-years distant from Earth.Two B-type stars, HD 38563 A and HD 38563 B, are responsible for making the cloud of dust in M78 visible by reflecting their light.
The M78 cloud contains a cluster of stars that is visible in the infrared.About 45 variable stars of the T Tauri type, young stars still in the process of formation, are members as well. Similarly, 17 Herbig–Haro objects are known in M78.

The Mintaka Reflection Nebulae Trio
From right to left starting out from Mintaka are IC423 (known as the Teardrop Nebula), IC424, and IC426. All were discovered by Williamina Flemming in 1888.


Picture 1: Detail of the three cute Mintaka reflection nebulae, excerpted from our main image here.

The Flame Nebula
It is designated as NGC 2024 and Sh2-277, and is an emission nebula about 1350 light-years away. It lies within the Orion B cloud of the larger Orion Molecular Cloud Complex.
The bright star Alnitak (ζ Ori) appears very close to the Flame Nebula, but the star and nebula are not physically associated. The dense gas and dust in the foreground of the nebula heavily obscures the star cluster inside the nebula, making studies at infrared wavelengths most useful.
The energetic ultraviolet light emitted by the central O-type star IRS 2b into the Flame Nebula causes the gas to be excited and heated. Within the nebula and surrounding the central hot star is a cluster of young, lower-mass stars, with circumstellar disks.


Picture: Spectacular combined Chandra and Spitzer telescopes X-Ray and IR data of the Flame Nebula. The dark tree-shaped nebula, which blocks the view in visible spectrum images, disappears here and reveals the dense central cluster of young stars. Credits: NASA/CXC/PSU/K.Getman, E.Feigelson, M.Kuhn & the MYStIX team; Infrared: NASA/JPL-Caltech

The Horse Head Nebula
See a detailed picture here.
The Horsehead Nebula (also known as B33) is a small dark nebula. It appears within the southern region of the dense dust cloud known as Lynds 1630, along the edge of the much larger, active star-forming H II region called IC 434.
It lays approximately at 422 parsecs or 1375 light-years from Earth.The nebula was discovered by Scottish astronomer Williamina Fleming in 1888 on a photographic plate taken at the Harvard College Observatory.