Deep Sky Object in Winter
Around Sh2-232 (Diffused Nebula in Auriga)
|Date & Time: ||Dec 24 2011, from 23:12 to 23:43 JST(+0900)
|Composed 4 shots with 10 minutes exposed|
|Optical: ||TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
|with Astronomik CLS-CCD filter|
|Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
|Digital Camera: ||Canon EOS 550D (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)|
Sh2-232 is a very dimmed and small diffused nebula in the pentagon of Auriga, about 3 degrees northeast from IC405, a famous and striking nebula in the constellation.
A large and round one in center is Sh2-232, and two other small nebula in south west have numbers of Sh2-235 (left) and Sh2-231(right).
Sh2-235 is the brightest one in three nebulae, we can capture it only with wide-angled photo lenses.
|Sh2-232 / Diffused Nebula, type 4 R|
|R.A.||05h 42m 27.5s (2000.0)|
|Dec.||+36° 08' 30" (2000.0)|
|Apparent Size||about 30'|
|Real Size||68 light yrs.|
|Distance||5870 light yrs.|