Emission Nebula in Casseopiea.

This is a mixed focal length image combining a lower resolution color NB image taken several years ago with new higher resolution Ha data.

Newer data:
Imaging Camera: QSI640wsg
Imaging Scope: Celestron 9.25" Edge HD @ F/10
Guide Camera: SX Lodestar
Mount: Avalon M-Uno
Filters: Astrodon 5nm Ha
Exposure: Five hours (30 min subs)Ha binx1
Processing: CCD Stack and PS CC
Date: 9/8/17 Location: My front driveway. Morristown, NJ

Older data:
Imaging Camera: QSI540wsg
Imaging Scope: SVR90T
Guide Camera: SX Lodestar
Mount: Meade 10"LX200R
Filters: Astrodon 5nm Ha, OIII, SII, RGB
Exposure: Five hours Ha, ten hours SII, ten hours OIII in 20 minute subs.
RGB 1.5 hours each 4 min subs
Processing: AIP4WIN and PS CS2. Center Crop.
Date: 8/28/10 - 9/8/10
Location: My front driveway. Morristown, NJ

Image selected as Amateur Astronomy Picture of the Day (AAPOD2) for 1/9/19