21P/Giacobini-Zinner 2018-Sep-01 Chris Schur

I have been imaging this comet for many returns now, and this one appears to be the best yet. Here, a narrow window in the monsoon clouds allowed a set of shots with the 60% moon nearby early in the morning hours. The sky was very bright, and extremely blue in color from the moons glow. Also, the comet is moving very rapidly, like 4 arc minutes per hour in a very rich Milky Way field, making processing challenging. Hoping for better conditions during the next dark of the moon in a week or so to go much deeper!

Lens: 10" f/3.9 Orion Astrograph with Baader MPCC coma corrector
Platform: Astrophysics AP1200
Camera: SBIG ST10XME
Exposure: 36m
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 3/10, Transparency 3/10
Outside Temperature: 50F
Processing Tools: Maxim DL, Photoshop CS2

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