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 28 2024, from 20:50 to 22:57 JST(+0900)
   Composed 25 images with 5min. exposed
Optical... BORG 60ED with a conversion lens (f=245mm, F4.3)
   with IDAS LPS-V4 Light-pollution suppression filter
   Auto-guided with VIXEN ATLUX Equatorial
Digital Camera... Canon EOS 6D (Remodeled)
   (ISO3200, recorded in 14bit CCD-RAW format)
Location... Ooizumi, Hokuto city, Yamanashi pref.