CTB-1 (Abel 85) - Faint Radio SNR (Jon Rista)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: The star 9Cas

Image of the day 10/14/2016

CTB-1 (Abel 85) - Faint Radio SNR , Jon Rista

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CTB-1 (Abel 85) - Faint Radio SNR

Image of the day 10/14/2016

Powered byPixInsight

CTB-1 (Abel 85) - Faint Radio SNR

This is my first deep integration with the ASI1600MM-Cool. The image started out as a 7-hour total integration, 4h Ha and 3h OIII. The image has recently been updated to a 24-hour total integration, with 12h in both Ha and OIII.

Further integration in both channels has continued to reveal fainter fine structural details in the region of space surrounding the primary SNR structure of CTB-1. These outer faint structures exhibit in both Ha as well as OIII. Many outer structures exhibit only in OIII as well, which has me quite intrigued, as the deeper I go, the more structure there seems to be. In particular are structures just over the "stem" of the CTB-1 object, as well as what appears to be an enveloping shell around the Ha structures along the right edge of the image (a mosaic is apparently in order to discover more about those structures.)

Due to the increasing prevalence of faint filamentary Oxygen gas structures, I am continuing to integrate data for that channel. Current target is to get 24h OIII, and 16h Ha. As a long-term stretch goal, I may aim for 36-48h of OIII, to see how deep the rabbit hole goes. ;)

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Revisions A,B,C: Original Integrations (4h Ha/3h OIII)

Revisions D,E,F: Second Integrations (12h Ha/12h OIII)

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Description: Added 10 hours of OIII for a total of 22 hours, upping total exposure across both filters to 34 hours

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ZWO ASI1600MM/QHY163M
Narrowband imaging
Camera Lens Astrophotography
Central USA
Cloudy Nights

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Image of the day 10/14/2016

CTB-1 (Abel 85) - Faint Radio SNR

Image of the day 10/14/2016

CTB-1 (Abel 85) - Faint Radio SNR

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CTB-1 (Abel 85) - Faint Radio SNR

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