The Horshead (IC434) and Flamme (NGC2024) nebulae in Ha-RVB

3h36mn exposure time at 800 iso

Newton telescop 200/1000 on Sirius EQ-G mount / EOS 450D filter removed

Filters : Ha 12nm : 26 x 5mn ; CLS : 17 x 5mn - Coma corrector

Preprocessing with Siril

Image processing with Photoshop - Final touch with Lightroom

The Rosetta nebula in "Hubble" false colors (Ha-SHO)

7h exposure time at 800 iso

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter

Filters Ha : 28 x 6mn ; OIII : 22 x 5mn ; SII : 28 x 5mn - Flattener corrector

Preprocessing with Siril

Image processing with Photoshop - Final touch with Lightroom

The Lagoon and Trifid nebulae in L-RGB

44mn total exposure time at 800 iso

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter removed

Filter : CLS-CCD

Preprocessing with Siril

Image processing with Photoshop - Final touch with Lightroom

The Lagoon and Trifid nebulae in Ha-RGB

3h08mn total exposure time at 800 iso

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter removed

Filters : 24 x 360s with H-Alpha 12 nm and 11 x 240s with CLS-CCD

Preprocessing with Siril

Image processing with Photoshop - Final touch with Lightroom

The Lagoon and Trifid nebulae in Ha-SHO

4h42mn total exposure time at 800 iso

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter removed

Filters : 24 x 360s with H-alpha 12 nm; 18 x 360s with OIII 12 nm; 5 x 360s with SII 12 nm

Preprocessing with Siril

Image processing with Photoshop - Final touch with Lightroom

Hubble false-color image (Ha-SHO) of the America Nebula - NGC 7000

5h exposure time at 800 iso (Tournefeuille, France)

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter removed

Filters : Ha : 18x7mn; OIII : 13x7mn; SII : 12x7mn

Preprocessing with IRIS (Christian Buil software)

Image processing with Photoshop - Final touch with Lightroom

True Color Image (Ha-RGB) of the America Nebula - NGC 7000

4h exposure time at 800 iso (Tournefeuille, France)

600/80 mm refractor on Sirius EQ-G mount / EOS 450D filter removed

Filter : Ha : 18x7mn; CLS : 22x5mn

Preprocessing with IRIS (Christian Buil software)

Image processing with Photoshop - Final touch with Lightroom

The Helix Nebula (L-RGB with synthetic luminance) - NGC 7293 (09/2015)

1h48 exposure time at 800 iso (Tournefeuille, France)

Newton telescop 200/1000 on Sirius EQ-G mount – 450D EOS filter removed

CLS filter (due to light pollution conditions)

Preprocessing with IRIS (Christian Buil software)

Image processing with Photoshop - Final touch with Lightroom

M57 Ring Nebula

EOS 450D filter removed + CLS filter

200/1000 Newton on Sirius EQ-G mount + tracking

19 snapshots at 1 mn exposure at 400 iso