Release-Note for uploaded image

Brief Description   Two large diffused nebulae in Cassiopeia, IC1805(rigght) and IC1848(left). Although both cannot be detected by our eyes, those unique shapes can be recorded on long-exposed photo films.

Photography Condition
Date & Time... Dec 7 2013, from 22:07 to 23:17 JST(+0900), composed 8 images with 3min exposed,
   mosaic of 3 flames
Optical... TAMRON SP 300mmF2.8, Aperture: F2.8
   with Astronomik CLS-CCD filter
   Auto-guided with TAKAHASHI JP Equatorial
Digital Camera... Canon EOS 550D (Remodeled)
   (ISO1600, recorded in 14bit CCD-RAW format)
Location... Ooizumi, Hokuto city, Yamanashi pref.