Traitement S H O.

            Photoshop:

                        L :                   Lum                                           80 %

                        R :                   S II                                           100 %

                        G :                   H alpha                                  100 %

                                B :                         O III                                         100 %

Prétraitement.

            MaximDL :

                MaximDL :

                        Offset :           8              images

                        Dark :             0              "              

                        Flat :               0              "

                                Empilement :  Médoane

            MaximDL :

                        Alignement :        L S H O

Traitement S H O.

            Photoshop:

                        L :                   H alpha                                    10 %

                        R :                   S II                                           100 %

                        G :                   H alpha                                  100 %

                                B :                         O III                                         100 %

Prétraitement.

            MaximDL :

                MaximDL :

                        Offset :           8              image

                        Dark :             0              "              

                        Flat :               0              "

                                Empilement :  Sigma clipping

            MaximDL :

                        Alignement :        S H O

NGC 1491

Persée

Dimension :   9' x 6'

Magnitude : 

Distance :     11.400  al

Exposition :

Total :   2h 53 mn

L:        16 x 3’  bin 1x1

H :      16 x 4'         "

S :        4 x 5'         " 

O  :      9 x 5'          "              

Equipement :

Newton Nasmyth 330 F/D 4.5

Losmandy G11

SBIG ST8 XME

Filtres :  Astrodond LSHO

Acquisition :

MaximDL

Autoguidage :

Antares 8x50  - Lodestar

MaximDL

Traitement :

Maximdl

Photoshop

Lieu :

Triève

Mauvais seeing

Nuage d'altitude et vent de sud