Hemisphere:  Northern  ·  Constellation: Serpens (Ser)
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Hoag's Object PGC 54559, 


            Michael Lorenz
Hoag's Object PGC 54559
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Hoag's Object PGC 54559

Technical card

Imaging telescopes or lenses: Telescope Engineering Company TEC 140 f/7 APO

Imaging cameras: Atik 460EX mono

Guiding telescopes or lenses: Telescope Engineering Company TEC 140 f/7 APO

Focal reducers: TEC Field Flattener

Software: N.I.N.A.  ·  Pleaides Astrophoto PixInsight

Filters: Baader Planetarium LRGB 1.25"

Accessory: Lacerta Motorfokus  ·  Starlight Xpress Lodestar Autoguider  ·  Atik OAG  ·  ATIK EFW2

Dates:Feb. 23, 2021

Frames: 20x600"

Integration: 3.3 hours

Avg. Moon age: 10.81 days

Avg. Moon phase: 83.28%

Basic astrometry details

Astrometry.net job: 4244136

RA center: 15h 17' 14"

DEC center: +21° 34' 55"

Pixel scale: 0.920 arcsec/pixel

Orientation: 0.047 degrees

Field radius: 0.286 degrees

Resolution: 1754x1394

Locations: Home, Leipzig, Germany

Data source: Backyard


Hoag's Object PGC54559 through Bortle 8 city sky. Additionally, the moon and desert dust were making things worse. But it still shows up and I will add more time when the sky quality gets better.

This unusal object is the remnant of a collision of galaxies. In Hubble's image of this object you will see another ring galaxy within the ring of Hoag's Object. Quite a sight, but not possible with amateur scopes.