Deep Sky Object in Winter
NGC1554 (Hind's Variable Nebula in Taurus)
|Date & Time: ||Dec 24 2016, from 21:32 to 22:46 JST(+0900)
|Composed 10 shots with 8 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
|with BaaderPlanetarium UV/IR cut filter|
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Canon EOS 600D (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording format...12bit CCD-RAW, converted to 16bit TIFF(5184×3456)|
A small reflection nebula positioned just north of the Hyades has a number of NGC1554.
The nebula has a span of only about 1.5 arc minutes, might be needed fairly large-ranged telescopes to appreciate with our eyes.
|NGC1554 / Reflection Nebula, type 2 R|
|R.A.||04h 21m 57.0s (2000.0)|
|Dec.||+19° 32' 00" (2000.0)|
|Real Size||0.2 light yrs.|
|Distance||460 light yrs.|
|Other IDs||SH2 -238, LBN 817|
This nebula is reflecting the light of an embryo star of "T Tauri" at just east of the nebula with a brightness of 9th magnitude.
T Tauri is an evolving variable star, brightness of nebula is also variable.
The nebula has an another name of "Hind's variable nebula" from a discoverer of the nebula.