Deep Sky Object in Spring
Abell 36 (Planetary Nebula in Virgo)


Date & Time: Feb 24 2023, from 25:43 to 26:55 JST(+0900)
Composed 10 shots with 8 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression 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


Abell 36 / Planetary nebula, type IIIb+IIIa
R.A.13h 40m 41.3s (2000.0)
Dec.-19°52' 57" (2000.0)
Apparent Size6.0×5.0'
Real Size1.5 light yrs.
Magnitude13.0
Distance780 light yrs.
Other IDsESO 577-24, PK 318+41.1
Abell 36 is a medium-scaled but dimmed planetary nebula lying at 9.5 degrees SSE from Spica, around a boundary between Virgo and Hydra. The nebula has an apparent diameter of 6 arc minutes; this image shows you an internal structure of figure eight. The distance has been estimated as 780 light years, one of the closest planetaries. The central star is a 11.5th magnitude white dwarf.



Sh2-313
PK164+31.1

Copyright(c) 2023 by Naoyuki Kurita, All rights reserved.
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