CTB-1 is a faint supernova remnant hidden in the dense star field of Cassiopeia. It is about 10,000 years old, 10,000 light years distant and 100 light years across.

Imaging Camera: QSI640wsg
Imaging Scope: Takahashi FSQ85
Guide Camera: SX Lodestar
Mount: Avalon M-Uno
Filters: Astrodon 5nm Ha, 3nm OIII
Exposure: 14 hours Ha (15 and 60 minute subs), 14 hours OIII (15 minute subs), 7 hours RGB (5 min subs)
Capture: APT
Processing: CCD Stack and PS CC
Date: 9/17/19- 9/26/19 Location: My front driveway. Morristown, NJ