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Contains:  Horsehead nebula, IC 434
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The Horsehead Nebula - B33, 


            Corey Rueckheim
The Horsehead Nebula - B33
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The Horsehead Nebula - B33

Technical card

Imaging telescope or lens:Celestron EdgeHD 11

Imaging camera:ZWO ASI294MC Pro


Guiding telescopes or lenses:

Guiding cameras:

Focal reducers:

Software:SharpCap Pro SharpCapGIMPLuc Coiffier DeepSkyStacker


Accessories:Pegasus Astro Ultimate Powerbox v2Deep Space Products TEMP-estAstrozap Celestron 11 Heated Dew Shield

Resolution: 4043x2809

Dates:Nov. 23, 2019

Frames: 8x40"

Integration: 0.1 hours

Darks: 0

Flats: 0

Flat darks: 0

Bias: 0

Avg. Moon age: 26.10 days

Avg. Moon phase: 12.77%

Bortle Dark-Sky Scale: None

Mean SQM: None

Mean FWHM: None

Temperature: None

Basic astrometry details job: 3075142

RA center: 5h 40' 44"

DEC center: -2° 26' 24"

Pixel scale: 0.372 arcsec/pixel

Orientation: 359.929 degrees

Field radius: 0.254 degrees

Locations: Lafayette Home, Sparta, WI, United States

Data source: Backyard


This is my second image of the Horsehead Nebula, B33, and again it has the beam of light from Alnitak.

Beam me up!

You may also note a very faint nearly horizontal streak going across the image at the lower right. That is from a satellite that was crossing the field during three of the 40-second exposures. It was very faint and very slow, but faintly flashing at a rate of approximately once per second. I'd love to know what it could have been. Given it's slow speed and its location near the celestial equator, it was likely out near geosynchronous orbit, but to be visible at all at that distance it must be reasonably large. Yet an object reasonably large is not likely to be spinning so quickly. Maybe it was a piece of shiny debris?



Corey Rueckheim
License: None (All rights reserved)

Sky plot

Sky plot


The Horsehead Nebula - B33, 


            Corey Rueckheim

In these public groups

Central USA