Deepsky Object in Summer
NGC7006 (Globular Cluster in Delphinus)


Date & Time: Nov 7 2021, from 18:23 to 18:47 JST(+0900),
Composed 7 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


NGC7006 / Globular Cluster, type I
R.A.21h 01m 30.0s (2000.0)
Dec.+16° 11' 00" (2000.0)
Apparent Size2.8'
Real Size150 light yrs.
Magnitude10.6
Distance185,000 light yrs.
A very compact globular cluster, bathed in about 3.5 degrees east from gamma Delphini, is NGC7006. The cluster has a diameter of only 3 arc minutes and 10th magnitude. The stellar density is very dense, several outer member stars can be detected in this picture.
The NGC7006 is one of most distant globulars in heavens, it's lying about 185 thousand light years away from the Earth and about 150 thousand light years from the center of Galaxy.



NGC6934
IC1257

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