Celestial hemisphere:  Northern  ·  Constellation: Lacerta (Lac)  ·  Contains:  NGC 7243  ·  The star 4Lac
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Open Star Cluster NGC 7243, Caldwell 16, Steven Bellavia
Open Star Cluster NGC 7243, Caldwell 16
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Open Star Cluster NGC 7243, Caldwell 16

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Open Star Cluster NGC 7243, Caldwell 16, Steven Bellavia
Open Star Cluster NGC 7243, Caldwell 16
Powered byPixInsight

Open Star Cluster NGC 7243, Caldwell 16

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Description

NGC 7243, Caldwell 16, is an open cluster in the constellation Lacerta. It lies approximately 2,800 light-years away, and is thought to be just over 100 million years old, consisting mainly of white and blue stars.

The first image ("original") was First Light for the William Optics 51mm f/4.9 Petzval "RedCat" Apo refractor. The next ("final") image was after tweaking the collimation and support screws around the objective cell, while viewing an artificial star. Both images are deliberately un-cropped.

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  • Open Star Cluster NGC 7243, Caldwell 16, Steven Bellavia
    Original
  • Final
    Open Star Cluster NGC 7243, Caldwell 16, Steven Bellavia
    C

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Open Star Cluster NGC 7243, Caldwell 16, Steven Bellavia

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Imaged with APT