Deep Sky Object in Summer
vdB111 (Reflection Nebula in Ophiuchus)

Click on image to enlarge

Date & Time: May 28 2022, from 25:44 to 26:51 JST(+0900)
Composed 10 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


vdB111 / Reflection Nebula, type 4 R
R.A.17h 18m 48.0s (2000.0)
Dec.+06°05' 00" (2000.0)
Apparent Size9.0×6.3'
Real Size1.2 light yrs.
Magnitude -
Distance455 light yrs.
Other IDsLBN 88
In the northern part of the pentagon of Ophiuchus, we can find out a small reflection nebula vdB111 at 7.6° southwest of αOph (Rasalhague). The nebula has a size of a bit smaller than 10 arc minutes, reflecting the light of 6.5th magnitude central yellow giant. The distance from the solar system has been estimated as about 450 light years.



Around Sh2-123
vdB133

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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