Deep Sky Object in Spring
NGC5694 (Globular Cluster in Hydra)


Date & Time: Feb 24 2023, from 28:20 to 28:48 JST(+0900)
Composed 8 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression 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


NGC5694 / Globular Cluster, type VII
R.A.14h 39m 36.0s (2000.0)
Dec.-26° 32' 00" (2000.0)
Apparent Size3.6'
Real Size110 light yrs.
Magnitude10.2
Distance105 thousand light yrs.
NGC5694 is a small globular cluster in eastern edge of Hydra. You can find the cluster out by tracing about 5.5 degrees WSW from sigma Librae. The cluster has a diameter of only 3.6 arc minutes and a visual brightness of 10th magnitude. And the distance to the cluster is 105 thousand light years, very far as for globular cluster.



NGC5466
2nd Scenes: Deepsky in Summer

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