van den Bergh 75 (* 12 Gem, HIP 30049 and many others) the star and blue reflection nebula.
DG 99 is a continuation of vdB 75 above the star.
IC 444 (Ced 74, DG 100, LBN 840 and others) is the reflection nebula on the right side of the image.
These are all near the Jellyfish nebula in Gemini.
Luminance – 24x600s – 240 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged December 22nd and 24th, 2017 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/39777110702/sizes/l