Deep Sky Object in Summer
Abell 53 (Planetary Nebula in Aquila)


Date & Time: Aug 10 2024, from 21:40 to 22:34 JST(+0900)
Composed 10 shots with 6 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(2040×2040)
Device Size...10×10mm
Sensitivity...ISO4000, White Balance...Daylight


Abell 53 / Planetary nebula, type IV
R.A.19h 06m 46.1s (2000.0)
Dec.+06°23' 50" (2000.0)
Apparent Size31.0"
Real SizeN/A
Magnitude16.9
DistanceN/A
Other IDsPK 40-0.1
This image captures the small planetary nebula Abell 53, located within the Milky Way in the western part of Aquila. It can be found by tracing 5.7 degrees northwest of the δAql. The nebula has a beautiful red ring structure with an apparent diameter of 30 arc seconds. The central star is extremely faint at 21st magnitude and cannot be seen in this image.



Abell 39
Abell 74

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