Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  NGC 896
Getting plate-solving status, please wait...
The North Bear Nebula - IC1795 - Hybrid palette - LRGB composition, David Lindemann
The North Bear Nebula - IC1795 - Hybrid palette - LRGB composition
Powered byPixInsight

The North Bear Nebula - IC1795 - Hybrid palette - LRGB composition

Equipment

Loading...

Acquisition details

Loading...

Description

Data from POSS-II Survey and David Lindemann

Captured 08/21/2015, 08/25/2015, 08/26/2015 and 08/28/2015 with Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (http://www.innovationsforesight.com/), Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha, SII, and OIII 5nm filters on 10micron GM2000 HPS II

76 x 10 minutes SII unbinned = 12h40

36 x 10 minutes H-alpha unbinned = 6h

36 x 10 minutes OIII = 6h

Total exposure 24h40

POSS-II Survey (http://www.astro.caltech.edu/~wws/poss2.html) 9 panels of 60x60 arc/min for Red and Blue data)

Software: MaximDL to capture - CCDStack to calibrate, register, normalize, data reject and combine - Photoshop CS5 and PixInsight for non-linear streching, star reduction, color composition and adjustment

Comments

Sky plot

Sky plot

Histogram

The North Bear Nebula - IC1795 - Hybrid palette - LRGB composition, David Lindemann