Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  HD119391  ·  M 3  ·  NGC 5272  ·  PGC 1826470  ·  PGC 1829643  ·  PGC 1834325  ·  PGC 1835898  ·  PGC 1840051  ·  PGC 1842087  ·  PGC 93730
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M3 (NGC 5272) Globular, Linwood Ferguson
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M3 (NGC 5272) Globular

Getting plate-solving status, please wait...
M3 (NGC 5272) Globular, Linwood Ferguson
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M3 (NGC 5272) Globular

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Description

In my continuing quest to compare resolution of the SVX152T with the C11, I did another globular cluster, this time M3 as it was conveniently high at night.

This is three nights of data, a total of 104 x 240s Red, 100 x 240s Green, and 97 x 240s Blue for a total of about 19.5 hours.

The R, G, and B were used to form a synthetic luminance. BlurXTerminator was used for convolution but only outside of the cluster with a smooth mask; the cluster was not deconvolved so as to prevent the creation of between star artifacts from the blured overlaps there. 

This is shot from my home in SW Florida in a roughly Bortle 7 zone.

I welcome criticism or suggestions.

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