B33- Horsehead Nebula



Object Data

Object type: Dark nebula obstructing a massive hydrogen cloud
Size: The dark nebula itself has a radius of 3.5 ly
Magnitude: 6.8
Constellation: Orion
Distance: 1,375 light years
Notes: This Image includes the flame nebula (NGC2024)

Exposure Data

Date: 2/17/21
Location: Backyard Observatory, Carlsbad, CA
Telescope: FSQ106 Refractor;  fl = 530 mm at f/5
Camera: QSI 683-wsg-8 with 6 nm Astronomik Ha Filter
Mount: Losmandy G-11 Gemini 1
Exposure time: Ha:  10 x 15min
Exposure time total: 2,5 hrs
Notes: Imaged in Ha monochrome only under bright 1st Q moon
FOV = 109 x 78 arcmin 


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