BARNARD 33 - HORSE HEAD NEBULA

Orion

 (ra: 5:41,01 / dec -02:27,2)

DATA

TYPE: Dark Nebula  

VISUAL MAGNITUDE: n/a

SIZE: 6 x 4 arc minutes

DISTANCE: 1600 light years

OBJECT DESCRIPTION

Thre remarkable Horse Head Nebula is a dark cloud of dust and gas which presents a particular shape. B33 stands in front of emission nebula IC 434 blocking its light. The height of B33 covers a distance of five light years and it can only be seen through photographs or special filters in absolutely dark skies. Below it also visible NGC 2023 with 10 arcs minutes and a bluish texture.
 

IMAGE INFORMATION

TELESCOPE: Orion ED 80, Vixen GPDX Mount, Sky Sensor 2000

SKY CONDITIONS: Visual Magnitude 4.

CAMERA: Starlight Xpress SXV M7 @f 7.5

FILTERS: Astronomik Ha 6nm filter

EXPOSURES: Ha 20 x 300 seconds

GUIDING: 70/400 Synta Refractor, SXV Guide Head, AA 3.71 Control Camera Plugin

PROCESSING: Calibrate darks, flats, and offsets in ImagesPlus. Photoshop CS