Abell 12, Magnitude 12.4 Planetary Nebula in Orion.
Often called the "Hidden Nebula" because it is very difficult to observe and image due to its proximity to Mag 4 star, Mu Orionis

Imaging Camera: QSI540 wsg
Imaging Scope: 9.25" Celestron edge at F/10
Guide Camera: SX Lodestar x 2, PHD2
Mount:Avalon M Uno
Filters: Astrodon
Exposure: 10 minute subs. 2.5 hours 5nm OIII and 2.5 hours 5nm Ha, binned X2
3 minute subs. 1 hour each LRGB unbinned
Processing: CCD Stack and PS CS2.
Date: 1/6/16, 1/11/16
Location: My front driveway. Morristown, NJ

Selected as Amateur Astronomy Picture of the Day (AAPOD2) for 4/12/16

Selected as The Astro Imaging Channel (TAIC) Image of the Week for 1/17/16
http://theastroimagingchannel.com/taic/feed/iotw/z13wepbyvoivglyfy22rdz4gnsnohrik3

Later version selected as Astobin IOTD: 4/12/21
https://www.astrobin.com/vbjnrn/?nc=user