Deep Sky Object in Autumn
vdB24 (Reflection Nebula in Perseus)


Date & Time: Dec 4 2021, from 20:37 to 21:43 JST(+0900)
Composed 12 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


vdB24 / Reflection Nebula, type R
R.A.03h 49m 36.0s (2000.0)
Dec.+38°59' 00" (2000.0)
Apparent Size9.0'
Real Size3 light yrs.
Magnitude -
Distance1140 light yrs.
Other IDs -
A compact reflection nebula of vdB24 is positioned at 3 degrees northwest of the California nebula in Perseus. The nebula has a span of about 9 arc minutes, reflecting the light of a central variable star of Persei XY with 8.6th magnitude in brightness. vdB24 seems divided in three by the dark nebula of LDN1442 spread in front of the nebula. The distance from us has been estimated as about 1140 light years.



vdB16
Around vdB152, LDN1235

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