California Nebula and Pleiades (January 2024)
3 panel mosaic
camera: Canon 80D astro modified, no filter
lens: Canon EF 100mm f/2.8L
tracker: Skywatcher HEQ 5. guided
from left: panel 1: 25 light frames at 200 ISO, 240s, f2.8, 100mm, 1:40 hrs integration;
panel 2: 28 light, frames 1:52hr integration,
panel 3: 20 light frames, 1:20 hrs integration
calibration: dark, bias, flat calibration.
Nebula and stars processed separately in Pixinsight and then combined in Adobe Photoshop.
Heart Nebula (November 2023)
Camera: Sony a7III
Lens: Sigma 150-600mm f/5-6.3, at 500mm
Mount: SkyGuider Pro, guided
229 light frames @ ISO 2500, f6.3, 60s, total integration 3.8 hr.
Calibration: flat, bias and dark.
initial processing with Pixinsight. Nebula and starts processed separately and then combined in Adobe Photoshop
Rosette Nebula
(Sony a6300, Sigma 150-600 f5.0/6.3, 600mm, ISO 5000, 30s, 54 min integration time, processed with Pixinsight, Location: Greenville, NH, Bortle Class 4)
Orion Nebula
(Sony A7III, Sigma 150-600mm f5.0/6.3, Skyguider Pro, ISO 4000, 69 frames 10s exposure each, 11.5 min integration time, Location: Greenville, NH, Bortle Class 4)