Barnard 33 - The Horsehead Nebula

    Exposure Details
    Lens Takahashi FSQ106 Astrograph (Ha) and Stellarvue SVR105T Triplet APO (RGB)
    Focal Length 530mm (FSQ) and 735mm (SVR)
    Focal Ratio F5 (FSQ) and F7 (SVR)
    Mount Takahashi EM200 Temma2M
    Guiding Orion Magnificient Mini Autoguider
    Camera Canon T3i w/ Gary Honis Full Spectrum Modification - Baader 7nm H-Alpha Filter

    25 lights at 600 seconds each - 4.16 hours total exposure (Ha)

    644 lights at 30 seconds each - 5.36 hours total exposure (RGB)


    18 darks, no flats, no bias (Ha)

    30 darks, no flats, no bias (RGB)

    Date October 2nd, 3rd and November 28th of the year 2013
    Temperature It was very cold that night =)
    SQM Reading Bortle 2
    Seeing Excellent
    Location Comanche Springs Astronomy Campus - Crowell, TX
    Software Used Backyard EOS, Deep Sky Stacker, PixInsight

    This was my first attempt at H-Alpha DSLR imaging. A new area of expertise. I was unsure of how much exposure this might need and also how long the subs needed to be. I'm very happy with this result and it is quite obvious that I captured enough data. However, this poses a new processing challenge for me so I might process this one again later for a different result. I gave a friend of mine access to the data at his request so we could combine it with a color image he took through his new Takahashi E130D Astrograph. That image with image details are listed below.

    The Horsehead Nebula
    HaLRGB Ha: 25X600, RGB: 25X120
    Cameras: Canon T3i w/ Gary Honis Full Spectrum mod & Baader 7nm Ha filter, Canon 60Da (RGB)
    Telescopes: Takahashi FSQ106 (Ha), Takahashi E-130D (RGB)
    Mounts: Takahashi EM-200 (Ha), Takahashi EM-10 (RGB)
    Location: 3RF Comanche Springs Astronomy Campus
    Date: November 28-29, 2013

    This is a collaboration of Jerry Gardner (Ha) & John Bozeman (RGB)

© 2017 Astrophotography by Jerry Gardner