Horsehead & Flame NEBULA

Object

Type                      Dark Nebula and Diffuse Nebula

Constellation            Orion

Distance                 1,500 light years

Magnitude               n/a

Size                       4 x 6 arc-min

Notes                     The Horsehead Nebula is a dark nebula (B33) obscuring the brighter diffuse nebula IC434. 

                             Also visible in this image is bright reflection nebula NGC 2023 (to the lower left of the Horsehead)

                             and the Flame Nebula NGC 2024 on the lower right of the image.

Image

Date                       2006-09-19

Place                      Okie-Tex Star Party

Exposure Data          HaLRGB  55:70:30:30:30 mins @ -15C

                             Ha 22x5, Lum 11x5 R 6x5, G 6x5, B 6x5

Notes                     Created pseudo luminance frame from Ha, Lum, R, G and B data

Equipment

Optics                    Takahashi FSQ-106

Focal Length            530 mm @f/5

Mount                     Takahashi NJP

Camera                   SBIG ST-10XME

Focuser                   Robo-Focus

Filters                     CFW-10, Astrodon HaRGB

Software                 CCDAutopilot, FocusMAX, TheSky6, CCDSoft, CCDStack, PhotoShop CS