Deep Sky Object in Autumn
Sh2-136 (Reflection Nebula in Cepheus)


Date & Time: Nov 27 2021, from 18:21 to 19:37 JST(+0900)
Composed 13 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


Sh2-136 / Reflection Nebula, type R
R.A.21h 16m 26.1s (2000.0)
Dec.+68° 15' 38" (2000.0)
Apparent Size5.0'
Real Size2 light yrs.
Magnitude -
Distance1200 light yrs.
Other IDs -
Sh2-136 is a small reflection nebula positioned at 6 degrees north of alpha Cephei. A central 8th magnitude star shines surrounding gaseous matters and its unique shape has been appeared. The nebula has a nickname of "Ghost Nebula" from its shape. This field contains various shaped reflection nebulae in wide span. A bright reflection nebula of NGC7023 is lying in only 30 arc minutes west of Sh2-136.



Sh2-135
Sh2-140

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