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Contains:  IC 1805
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Open Cluster, Melotte 15, 





    
        

            flyingairedale
Open Cluster, Melotte 15

Open Cluster, Melotte 15

Technical card

Resolution: 3326x2504

Frames:
Ha: 16x1200" bin 1x1
O III: 15x1200" bin 1x1
Sulfur II: 18x1200" bin 1x1

Integration: 16.3 hours

Bortle Dark-Sky Scale: 2.00

Astrometry.net job: 2593016

RA center: 2h 33' 37"

DEC center: +61° 26' 6"

Pixel scale: 0.994 arcsec/pixel

Orientation: 181.338 degrees

Field radius: 0.575

Locations: Deep Sky West, Rowe, New Mexico, United States

Data source: Amateur hosting facility

Remote source: DeepSkyWest

Description

If you've observed or seen a picture of IC 1805, a.k.a., the Heart Nebula, you've seen Melotte 15 . It's that star cluster in the center of IC 1805, surrounded by the bright glow of ionized gas and shadowy clouds of dust that are shaped by stellar winds and radiation from stars in the cluster. The cluster is fairly new on the cosmic time scale and contains several newborn stars. This was my first exposure to the Melotte Catalogue of Star Clusters and British astronomer, Philibert Jacques Melotte, who created this catalog in 1915 by studying photographic plates of the night sky. Since the catalog lists open and globular clusters, many entries also are found in the NGC and Messier catalogs.

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flyingairedale
flyingairedale
License: None (All rights reserved)
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Open Cluster, Melotte 15, 





    
        

            flyingairedale