Deep Sky Object in Autumn
IC1848 (Diffused Nebula in Cassiopeia)

Click on image to enlarge

Date & Time: Dec 23 2016, from 23:37 to 24:42 JST(+0900)
Composed 7 shots with 6 minutes exposed
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: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX formet (36×24mm)
Sensitivity...ISO3200, White Balance...Daylight


IC1848 / Diffused Nebula, type 2 E
R.A.02h 51m 12.0s (2000.0)
Dec.+60° 26' 00" (2000.0)
Apparent Size60×30'
Real Size42×21 light yrs.
Magnitude -
Distance2500 light yrs.
Other IDsLBN667
IC1848 is a dimmed diffused nebula neighboring IC1805 in previous page.
These nebulae are invisible with our eyes. IC1848 has a size of 60 arc minutes in east-west and 30 minutes in north-south direction. And it's often said that IC1848 looks like a shape of "embryo" turning its head eastward. The body of embryo is brighter than the head, and the region of head includes two fine open clusters of Cr33 and Cr44.

To Wide-field image around IC1805 & IC1848(913KB)



IC1805
Wide-field around IC1805 & IC1848

Copyright(c) 2017 by Naoyuki Kurita, All rights reserved.
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