Hemisphere:  Northern  ·  Contains:  NGC 225
The Sailboat Cluster, 



    
        

            Antonio F. Sánchez
The Sailboat Cluster
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Technical card

Imaging telescopes or lenses: ASA N12 astrograph

Imaging cameras: FLI ML8300

Mounts: ASA DDM85 S-XL

Software: ASA Autoslew, Sequence...

Filters: Optec 50mm B  ·  Optec 50mm G  ·  Optec 50mm R  ·  Optec 50mm L

Accessory: FLI CFW-2-7 50mm round 7 position filter wheel


Dates:Nov. 26, 2013Nov. 27, 2013Nov. 29, 2013Dec. 2, 2013

Frames:
Optec 50mm B: 19x600" -25C bin 1x1
Optec 50mm G: 15x600" -25C bin 1x1
Optec 50mm L: 68x600" -25C bin 1x1
Optec 50mm R: 19x600" -25C bin 1x1

Integration: 20.2 hours

Avg. Moon age: 25.29 days

Avg. Moon phase: 23.22%

Bortle Dark-Sky Scale: 2.00


Basic astrometry details

Astrometry.net job: 136731

RA center: 0h 43' 18"

DEC center: +61° 54' 39"

Pixel scale: 1.368 arcsec/pixel

Orientation: -178.645 degrees

Field radius: 0.578 degrees


Resolution: 620x455

Description

When Caroline Herschel discovered this cluster on September 23, 1783, she added it to her list as No. 11 VdB 4 is a reflection nebula associated with the very young open star cluster NGC 225 which is often called the Sailboat Cluster. The Sailboat name seems to be due to Rod Pommier in an article for a well know astronomical magazine.The nebula may be the remains of the cloud that formed the cluster. Although estimates vary dramatically, open cluster NGC 225 has been estimated to be anywhere from half million to ten millions years old , thus making this widely dispersed cluster one of the youngest open clusters in the Milky Way. Links: http://www.ncra.tifr.res.in/~basi/06.../200634315.pdf

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afesan
Antonio F. Sánchez
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The Sailboat Cluster, 



    
        

            Antonio F. Sánchez