Waid Observatory

Object: Sh2-232, 235, 231, 233
Date: Jan. 3 & 4, 2018   -   Location: Davis Mountains west of Fort Davis, TX
Telescope: Stellarvue SV102ED  -  Camera: ST-8300M  - Filters: Astrodon Ha, OIII
Exposure: Ha = 240 min, OIII = 360 min (Binned 1 X 1)   

Click on the image to view at higher resolution.




Sh2-232, 235, 231, 233 1

The above image includes 4 separate nebulae as listed in the Sharpless catalog of HII regions.  They are from right to left, Sh2-232, the largest, Sh2-235, the brightest, Sh2-231, and 233, the smallest.  These objects are all associated with a giant molecular cloud, G174+2.15, in the Perseus arm of the Milky Way.  They are located in the direction of the Auriga constellation at an approximate distance of 5,900 light-years from the Earth.  A point of interest is a small "fuzzy" spot just above the central star in Sh2-232.  This feature is identified as the planetary nubula, PN G173.5+03.2.  An image with these objects labeled may be viewed here.

The image above was compiled from narrow band filtered exposures to create a mapped color depiction of the Nebula.  A Bi-Color palette with Ha mapped to the red channel and OIII mapped to the green and blue channels was utilized.  This mapping technique results in a Near True Color Image.

Member of the Dark Sky Observatory Collaborative


Copyright Donald P. Waid