Mi1-4 (G147.4-02.3, PK 147-02 1 and others) is a small planetary nebula located approximately 21,500 light-years away in Perseus. The planetary is the multi-colored object in the center. More information on Rudolph Minkowski’s list of planetary nebulae found with the Mount Wilson telescopes can be found here -
https://skyandtelescope.org/sky-and-tel ... ry-nebulae.
Luminance – 29x300s – binned 1x1 – 145 minutes
RGB – 8x180s – 24 minutes each – binned 2x2
217 minutes total exposure – 3 hours 27 minutes
Imaged November 29th and December 11th, 14th and 16th, 2022 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/ ... 0/sizes/l/
Dan
