Deep Sky Object in Autumn
Kemble's cascade (Star chain in Camelopardalis)


Date & Time: Dec 29 2018, from 18:59 to 19:37 JST(+0900)
Mosaic of 2 flames with 3min. × 6 shots
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial & SBIG STV
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Device Size...36×24mm, Sensitivity...ISO1600


Kemble's cascade / Star chain
R.A.04h 00m (2000.0)
Dec.+63° 00' (2000.0)
Apparent Sizeabout 2.5°
Real SizeN/A
Magnitude8.0
DistanceN/A
Actually it's not nebula nor star cluster, but a picturesque chain of unrelated stars visible with binoculars towards the constellation of Camelopardalis. This chain is positioned around the northern coast of Milky Way squeezed between Cassiopeia and Perseus, contains less than 20 stars nearly in a row stretching about 2.5 degrees in length.
This asterism has been made popular by an astronomy enthusiast Lucian Kemble (1922-1999), star chain looks like a splash flowing from a small open cluster of NGC1502 at eastern tip of chain, this outward give a name of gKemble's Cascadeh. These stars appear as a string only from our direction in the Milky Way Galaxy. However it's a very beautiful and impressive asterism, I recommend you try to find in real night sky.



Around Mel.20
M2

Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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