Hemisphere:  Southern
Eta Carinae plus Homunculus, 


            Simon Bailey
Eta Carinae plus Homunculus
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Eta Carinae plus Homunculus

Technical card

Imaging telescopes or lenses: Guan Sheng Optical GSO 12"

Imaging cameras: QHYCCD QHY10 Color

Mounts: Astro-Physics AP 1600 GTO

Guiding cameras: SBIG ST-i color

Software: GIMP 2.10.8  ·  MaximDL Maxim DL Pro 6  ·  Stark Labs Nebulocity 4.1  ·  SOFTWARE BISQUE THE SKY X PRO

Filters: Astronomik CLS CCD

Dates:June 23, 2019

Frames: 10x4200"

Integration: 11.7 hours

Avg. Moon age: 20.45 days

Avg. Moon phase: 67.72%

Basic astrometry details

Astrometry.net job: 2763069

RA center: 10h 44' 35"

DEC center: -59° 40' 1"

Pixel scale: 0.510 arcsec/pixel

Orientation: 350.086 degrees

Field radius: 0.309 degrees

Resolution: 3546x2550

Data source: Backyard


Carinae Nebula containing the Keyhole Nebula, Homunculus Nebula, multiple other points of interest.

Taken on a 12" GSO RCA mounted on an AP1600 with a QHY10 (plus some filters). Autoguided with an SBIG ST-i in TheSkyX. Images captured with TheSkyX, then processed with MaximDL and Nebulosity. Final work with GimpShop.

Approx. 12 hours data for the main nebula and 10 x 50 second subs for the Homunculus.



Simon Bailey
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Eta Carinae plus Homunculus, 


            Simon Bailey