Deep Sky Object in Autumn
Abell 79 (Planetary Nebula in Lacerta)


Date & Time: Nov 23 2024, from 22:25 to 23:02 JST(+0900)
Composed 10 shots with 4 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 79 / Planetary nebula, type IV+III
R.A.22h 26m 17.3s (2000.0)
Dec.+54°49' 40" (2000.0)
Apparent Size120.0×90.0"
Real SizeN/A
Magnitude15.8
DistanceN/A
Other IDsPK 102-2.1
In the northern part of Lacerta, about 2.6 degrees north of β Lacertae, lies the small planetary nebula Abell 79. With a major diameter of only about 2 arcminutes, it has a ring shape that emits Hα light. Faint loop-like structures extend outward to the east and west resembling whiskers.



PK149-3.1
Abell 80

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