The Horsehead Nebula (Barnard 33)

The Horsehead Nebula (Barnard 33) is a small dark nebula in the Orion constellation. The Flame Nebula (NGC 2024) is located to the lower left of the image and is an emission nebula. Reflection Nebula NGC 2023 can be seen below and left of the Horsehead and some other smaller nebulae IC435 (bottom) and IC432 (left).

It is around 1500 light years from Earth and around 3.5 light years wide.

25 x 2s Lum Gain 0

25 x 5s Lum Gain 0

187 x 20s Lum Gain 0

100 x 60s Red Gain 0

123 x 45s Green Gain 0

120 x 45s Blue Gain 0

25 x 360s Ha Gain 139 (Unity)

Imaged using my ZWO ASI1600MM-Pro camera attached to the society's Tak telescope at Austerfield over 3 nights, 30th Jan,2nd & 4th Feb 2019. Processed in PixInsight, Photoshop and Lightroom.