BL DZ 1

 Planetary Nebula in CENTAURUS  

AKA PN G293.6+10.9; ESO 217-11

(Image centered at: ra 11h:50m / dec - 50º 34')

September 2021, Home Backyard in Martínez, Buenos Aires, Argentina

DATA

TYPE: Planetary Nebula

VISUAL BRIGHTNESS: NA

OBJECT SIZE: 1,4 arc minutes

DISTANCE:  light years

IMAGE INFORMATION

SCOPE: 8" ORION OPTICS UK (Ultra Grade Optics) w/Televue Paracorr working at at f5,75

CAMERA: QSI 583 WS

MOUNT: SKY WATCHER NEQ6

FILTERS: Baader LRGB Set Astronomik 12nm OIII filter

SKY CONDITIONS: urban skies

EXPOSURES: LHAO3RGB (40,60,30,30,30)

OBJECT DESCRIPTION AND IMAGE SESSION

BlDz 1 is a circular symmetric planetary nebula located in the western area of the constellation of Centaurus. The nebula has it name after astronomers Adriaan Blaauw (ESO); I.J. Danziger (ESO) and Hans-Emil Schuster (La Silla, Chile), The discovery was published in August 1975 (*).

A blue plate taken with the ESO Schmidt Telescope was use to reveal its structure.

The object presents circular shape with weak lobes without a central hole. There appears a distinct secondary shell just outside the main nebula.

Difficult to image from my Bortle 8 location, however the OIII flter was somehow useful to contribute with some contrast and data to the RGB channel.

(*) Research Note