Hemisphere:  Northern  ·  Contains:  IC 1805  ·  IC1805  ·  Sh2-190
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"Heart of the Heart" : Melotte15, 


            Jean-Baptiste Auroux
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Imaging telescopes or lenses: Takahashi TSA 102

Imaging cameras: Atik ONE 6.0

Mounts: Skywatcher AZ EQ6 GT

Guiding telescopes or lenses: Takahashi TSA 102

Guiding cameras: Atik GP

Focal reducers: Takahashi TOA-RD

Software: Pleiades Astrophoto PixInsight 1.8 Ripley  ·  PHD Guiding 2  ·  Atik Artemis

Filters: Astronomik SII 6nm  ·  Astronomik Ha 6nm  ·  Astronomik OIII 6nm

Accessory: Atik OAG

Dates:Aug. 22, 2018Aug. 23, 2018

Astronomik Ha 6nm: 20x900" -10C bin 1x1
Astronomik OIII 6nm: 6x600" -10C bin 2x2
Astronomik SII 6nm: 6x600" -10C bin 2x2

Integration: 7.0 hours

Darks: ~64

Flats: ~16

Bias: ~101

Avg. Moon age: 11.63 days

Avg. Moon phase: 89.08%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 3249559

RA center: 2h 33' 36"

DEC center: +61° 24' 40"

Pixel scale: 0.764 arcsec/pixel

Orientation: 3.245 degrees

Field radius: 0.220 degrees

Resolution: 1276x1637

Locations: Fouras, Fouras, Charente-Maritime, France

Data source: Backyard


Close-up view on the Melotte 15 cluster, from my previous image of the Heart nebula, with a specific processing and other mix of colors.

Processing with Drizzle 2x, with an additional deconvolution.



Jean-Baptiste Auroux
License: None (All rights reserved)

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Sky plot


"Heart of the Heart" : Melotte15, 


            Jean-Baptiste Auroux