Bernard's Loop is identified as Sh2-276. Sh2 is the abrevation of Sharpless, a catalog of 313 H II regions (emission nebulae) published in 1959 by US astronomer Stewart Sharpless. Sh2 is referred to the second and final catalog. Number 276 refers to a H II object, in this case Bernard's Loop.
The image below shows Sh2-276 and Sh2-264, Lambda Orionis Ring or Angelfish Nebula.
Setting:
Nikkor 24-200mm with ASI2600MC and H-Alpha filter
Exposure: 29x120, 19x180, 4x300 or total integration time of 2h15min
Software: SharpCap, APP, DeNoise AI, CS4
