Deep Sky Object in Summer
NGC6712 (Globular Cluster in Scutum)
|Date & Time: ||Sep 20 2014, from 20:36 to 20:52 JST(+0900)
|Composed 6 shots with 3 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
|with BaaderPlanetarium Moon&Skyglow filter|
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Canon EOS 600D (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)|
NGC6712 is a medium-scaled globular cluster positioned at 4 degrees east of alpha Sct.
The cluster has a visual diameter of about 10 arc minutes. The concentration is not so dense, we can resolve the outer stars with medium-ranged scopes.
The distance from the solar system is about 22 thousand light years.
|NGC6712 / Globular Cluster, type IX|
|R.A.||18h 53m 04.3s (2000.0)|
|Dec.||-08°42' 22" (2000.0)|
|Distance||22,500 light yrs.|