Contains:  Other
The Green Coma and Two Tails of Comet NEOWISE, 


            Terry Hancock

The Green Coma and Two Tails of Comet NEOWISE

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Technical card

Imaging telescopes or lenses: Takahashi Epsilon E180

Mounts: Software Bisque Paramount GT100S

Software: PixInsight 1.8  ·  Adobe Photoshopc CC

Accessory: qhyccd mini guidescope 30mm qhy mini guidescope 30mm

Resolution: 7134x4796

Data source: Own remote observatory

Remote source: Grand Mesa Observatory


Another collaboration by Tom Masterson and Terry Hancock
Captured on the 21st July at Grand Mesa Observatory using System 4a with the QHY367 Pro C full frame One Shot Color CMOS and the Takahashi E-180 (available on our subscriptions)

As Comet NEOWISE pulls away from the sun it's now possible to see the green coma. The grey/yellow dust tail and blue ion tail are also easily seen in this image.
Here's a handy guide on how to spot Comet NEOWISE:
Total Integration time: 10 minutes
Image details

Location: Purdy Mesa, Colo.
38.963365, -108.237225

Date of capture: July 21st 2020
Color RGGB 10 min, 10 x 60 sec
Camera: QHY367 Pro C Color CMOS
Gain 2850, Offset 76
Calibrated with Dark & Bias
Optics: Takahashi E-180 Astrograph
Image Acquisition software Maxim DL6
Pre Processed in Pixinsight and Deep Sky Stacker
Post Processed in Photoshop



Terry Hancock
License: None (All rights reserved)


The Green Coma and Two Tails of Comet NEOWISE, 


            Terry Hancock