© Jean Marie Weil
I took images of the Dumbbell Nebula M27 over several nights with a remote telescope in Utah using LRGB and narrowband filters (H-Alpha, SII, OIII).
This data was helpful:
For: 6 x 120 seconds = 12 minutes
R: 7 x 120 seconds = 14 minutes
G: 5 x 120 seconds = 10 minutes
B: 7 x 120 seconds = 14 minutes
Height: 14 x 240 seconds = 56 minutes
Q: 14 x 240 seconds = 56 minutes
S: 5 x 240 seconds = 20 minutes
While processing the images, I couldn’t decide which combination of different shots I liked the most. So I just created a board with 4 different shapes.
Top left: All LRGBHSO data corresponding to a total exposure time of 182 min
Top right: RGBH, 94 min
Bottom left: HSO, 132 min
Bottom right: HO, 112 min
data about the image
| Goal | Dumbbell fog |
| Messier no | M27 |
| location | Utah, United States |
| time |
25/08/2023 at 00:00 CEST |
| camera | FL-PL16803 |
| Telescope/lens | PlainWave 17″ CDK (0.431m), F=2937mm, f/6.8 |
| Multiple | Ascension 200HR |
| Exposure time | L: 12m, R: 14m, G: 10m, W: 14m, Halva: 56m, OIII: 56m, SII: 20m: Total: 182m |
| Post-treatment | Astro Pixel Wizard, Photoshop |
View the full image
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