A21 Medusa Nebula

Discussion in 'My Astrophotos' started by ROBERT T SCHAEFER JR, Feb 3, 2020.

  1. ROBERT T SCHAEFER JR

    ROBERT T SCHAEFER JR Cyanogen Customer

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    May 13, 2018
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    176
    152mm A+M Refractor(OfficinaStellare-1200mmFL) with APM Flattener using a BreakThrough X4-UV 49mm filter with step-rings and a CanonEOSII RebelT7i 'modified UV-IR A Hutech' for seventy RAWMonochrome Autosave images at ISO6400 and ISO12800 for 30sec each using MaximDL Pro V6.20 . I did this image by Average stacking the seventy RAWMono images without Calibration or ConvertColor or anything and after stacking I did the "ConvertColor" and then the "KernalFilter5x5" and eventually "PinPointAstrometry" with 'USNO-A2' catalog .x

    I found a site ' www.constellation-guide.com' that has the WitchHead Nebula description and it says there is a lot of
    Carbon Monoxide in it and it's a large star forming molecular type cloud also so that's why it's dark in my images ...
    and it's 40 astronomical units from Rigel and it' 1000 lys away … but TYC4762-125 is 2000 lys away .
     

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  2. artem

    artem Cyanogen Customer

    Joined:
    Oct 11, 2014
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    103
    Location:
    Vienna
    o_O very nice image :D
     

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