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Hemisphere:  Northern  ·  Contains:  IC 1805, IC1805, Sh2-190
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The heart of the Heart (Melotte-15), 



    
        

            Jose Carballada
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The heart of the Heart (Melotte-15)

Imaging telescopes or lenses: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo  ·  Altair Astro RC250-TT 10" RC Truss Tube

Imaging cameras: ZWO ASI183MM-Cool  ·  ZWO ASI1600MM-Cool

Mounts: Skywatcher EQ6R Pro  ·  Mesu 200 Mk2

Guiding telescopes or lenses: Celestron OAG Deluxe  ·  Teleskop Service TSOAG9 Off-Axis Guider

Guiding cameras: ZWO ASI290 Mini  ·  ZWO ASI174 Mini

Focal reducers: Riccardi Reducer/Flattener 0.75x  ·  Telescope-Service TS 2" Flattener

Software: Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro

Filters: Astrodon O-III 36mm - 5nm  ·  Astrodon S-II 36mm - 5nm  ·  Astrodon R Gen.2 E-series 36mm  ·  Astrodon G Gen.2 E-series 36mm  ·  Astrodon B Gen.2 E-series 36mm  ·  Astrodon HA 36mm - 5nm  ·  Optolong SII 6.5nm 36mm  ·  Optolong OIII 6.5nm 36mm

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30  ·  MoonLite CSL 2.5" Focuser with High Res Stepper Motor


Dates:Nov. 29, 2019Dec. 2, 2019Dec. 3, 2019Dec. 23, 2019Dec. 24, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 90x60" (gain: 75.00) -15C bin 1x1
Astrodon G Gen.2 E-series 36mm: 90x30" (gain: 75.00) -15C bin 1x1
Astrodon HA 36mm - 5nm: 166x600" (gain: 200.00) -20C bin 1x1
Optolong OIII 6.5nm 36mm: 80x600" (gain: 183.00) -15C bin 1x1
Astrodon R Gen.2 E-series 36mm: 90x30" (gain: 75.00) -20C bin 1x1
Optolong SII 6.5nm 36mm: 80x600" (gain: 183.00) -15C bin 1x1

Integration: 57.3 hours

Avg. Moon age: 13.98 days

Avg. Moon phase: 19.49%


Astrometry.net job: 3173330

RA center: 2h 34' 16"

DEC center: +61° 21' 18"

Pixel scale: 1.006 arcsec/pixel

Orientation: 0.162 degrees

Field radius: 0.408 degrees


Resolution: 1760x2328

Locations: AAS Montsec, Àger, Lleida, Spain

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

This is the core part of the Heart Nebula (IC 1805, Sharpless 2-190).

The clearest part of the picture is called Melotte-15. It's an open cluster of stars, contains a few bright stars nearly 50 times the mass of our Sun, and many more dim stars that are only a fraction of our Sun's mass. The complete nebula is driven by the radiation emanating from this small group of stars.

I've always been overwhelmed by these dust pillars with their energetic light and winds eroding form the open star cluster Melotte 15.

The Heart Nebula is located about 7,500 light years away.

Thiss picture has a total integration time of 57 hours acquired with narrow band and rgb filters (SHOrgb).
The Hubble narrow band palette was used with the nebula and the stars are captured in natural rgb broadband.

Comments

Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
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The heart of the Heart (Melotte-15), 



    
        

            Jose Carballada