Date & Time: | NGC1647: Dec 20 2014, from 22:57 to 23:19 JST(+0900), 5min.×4shots |
NGC1746: Dec 20 2014, from 23:37 to 23:52 JST(+0900), 5min.×4shots | |
Optical: | TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3) |
with IDAS LPS-P1 Light-pollution suppression filter | |
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV | |
Digital Camera: | Nikon D700 |
Location: | Ooizumi, Hokuto city, Yamanashi pref. |
Camera Settings: | Recording Format...12bit CCD-RAW, converted to 16bit TIFF(2784×1848) |
Device Size...DX Format (24mm×16mm) | |
Sensitivity...ISO1600, White Balance...Daylight |
One more cluster of NGC1746 can be found 5 degrees north east of NGC1647. The cluster looks spacer than NGC1647. Many of members are sufficiently bright, you can enjoy the full of stars blinking in the field of binoculars. |
M93 |
NGC1807 & NGC1817 |
Copyright(c) 2015 by Naoyuki Kurita, All rights reserved. | |||
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