Ngc - 7331 Unbarred Spiral Galaxy

Location : Keratea - Attica,Greece (Pegasus Observatory IV)

Constellation : Pegasus

Telescope : Tec 140

CCD : Atik 428ex

Temperature of ccd : 0c

Mount : Neq6

Guided : ZWO oag

Filters : 2\" Baader LRGB

Focusing with Pegasus Astro Ultimate Powerbox

Sub-exposures :

R : 20x250sec ,G : 20x250sec ,B : 20x250sec

Lum : 80 x 250sec

Calibration frames : Darks,Flats

Color combine at ccdstack and Stacking and calibration with Maxim DL

Capture : Nebulosity 4

Process : Photoshop CC

Tracking : Eqmod with Pegasus Astro Eqdir

info: https://en.wikipedia.org/wiki/NGC_7331