IC1795. North Bear Nebula.

Note
This image I think is one that I am most satisfied with.

About
IC 1795, some 7500 LY from us is a part of the incredible Heart Nebula.
Processing
CCD Stack and CS5

Exposure
Ha: 5x20 min, Lum: 8x5 min.
RGB: 6x5 min


Calibration
Darks, bias and flats.

Filters
Baader LRGB. Baader Ha 7nm.

Cooling temp
-20´ C

Mean FWHM
3.94"

Date
October 17th 2011

Location
Krigslida, Stockholm, Sweden.
N59 06 52.4    E 18 03 54.5

Image aqusition
MaximDL Pro

Scope control
Sky X Pro Native drv, and Maxim DL with Astro-Physics V2 drv.

Telescope
TEC APO 140

Mount
Astro-Physics Mach 1 GTO

Camera
QSI 583 WSG

Guiding
OAG guiding with Lodestar Guider

Focus system
Starlight Micro Touch and Focus MAX.


Inverted B/W image


Pure H-alpha