Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)  ·  The star σOri
B33, uri
B33
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B33

B33, uri
B33
Powered byPixInsight

B33

Equipment

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Acquisition details

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Description

B33

The horse's head nebula is an absorption nebula in the Orion constellation.

Distance from the Earth about 1,500 light-years and about 3 light-years in diameter.

The diameter of the horse's neck of the nebula is about 0.82 light-years.

The first part of the image RGB Photographed a year ago and this year Ha added to the picture

Thanks Roi Levi for the temporary borrow of the tripod .

As usual was this picture photographed under a harsh cold of the negev desert ... below 0 degrees

negev israel 1/2018 1/2019

Technical data:

20 Ha pictures in 10 minutes exposure

40 RGB images Exposure of 5 minutes

20 photos of darkness

25 flattening photos for each channel

50 Images Sensor noise

Total in about 7 hours of photography

equipment:

Tripod: EQ6-R

Telescope: William Optics GTF81 81mm Apo Refractor

Camera: Asi 1600 mono pro

Wheel Filters: Asi EFW8

Surveillance Camera: Zwo 120mm

Tracking telescope: ZWO AC 60/280 Guiding Scope

Focusser: Moonlite Focuser with step motor

QHY PoleMaster

Softwares:

Sequence Generator Pro, Stark Labs PHD 2.6, PixInsight 1.8, Lightroom cc

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B33, uri