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From the Scorpion to the Shield | by TransientAstronomer
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From the Scorpion to the Shield

Stretching from Scutum the Shield through to Scorpius the Scorpion this collaboration between Tom Masterson and Terry Hancock is one of the latest captures from in Western Colorado during the month of June 2018 over three nights using the QHY367C Full Frame CMOS with the Rokinon 135mm F2.0 lens @ F4.0


139 individual frames were captured to make up this 3 panel mosaic of the Central Region of The Milky Way covering 4 constellations and an area of over 35 x 10 degrees of sky, containing 12 Messier objects, many open and globular clusters, dark, reflection and emission nebulae.



Annotated View here:



Image capture details


Terry Hancock


Tom Masterson Transient Astronomer


Location: Purdy Mesa, Colorado


Dates: June 10,11,17 th


RGGB 139 x 2 min


Camera: QHY367C


FOV 36 x 10 degrees


Gain 2850, Offset 170, Calibrated with flat, Dark & Bias


Optics: Rokinon 135mm F2 Telephoto Lens @ F4


Focusing: David Lane's Reveal Focus Filter


Mount: Piggyback on 12" RC, Paramount ME


Image Acquisition software Maxim DL5


Pre Processed in Pixinsight


Post Processed in Photoshop














Messier Objects


M6 Butterfly Cluster


m7 Open Cluster


M8 Lagoon Nebula


M20 Trifid nebula


M28 globular Cluster


M17 Omega Nebula


M18 Open cluster


M16 Eagle Nebula


M25 Open Cluster


M23 Open cluster


M26 Open cluster


M11 Wild Duck Cluster


M21 Open Cluster

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Uploaded on July 20, 2018