Great Carina Nebula and Surroundings with Dual Narrowband Filter January 2025 Dark Version
This is another further wider frame of the area taken with dual narrowband filter.
Equipment: Sigma 105mmF1.4 "Art", IDAS NB12 Dual Narrowband Filter, and EOS R-SP4ii, modified by Seo San on ZWO AM5 Equatorial Mount, autoguided with Fujinon 1:2.8/75mm C-Mount Lens, Pentax x2 Extender, ZWO ASI 120MM-mini, and PHD2 Guiding
Exposure: 7 times x 1800 seconds, 7 x 900sec, 13 x 240 sec, 14 x 60 sec, 10 x 15 sec, and 14 x 4 seconds at ISO 6,400 and f/3.2
site: 2,434m above sea level at lat. 24 39 52 south and long. 70 16 11 west near Cerro Armazones in Sierra Vicuña Mackenna in Coast Range of Chile
Ambient temperature was 11 degrees Celsius or 52 degrees Fahrenheit. Wind was mild, and guide error RMS was 0.71". Sky was dark, and SQML was 21.48 at the night.
Great Carina Nebula and Surroundings with Dual Narrowband Filter January 2025 Dark Version
This is another further wider frame of the area taken with dual narrowband filter.
Equipment: Sigma 105mmF1.4 "Art", IDAS NB12 Dual Narrowband Filter, and EOS R-SP4ii, modified by Seo San on ZWO AM5 Equatorial Mount, autoguided with Fujinon 1:2.8/75mm C-Mount Lens, Pentax x2 Extender, ZWO ASI 120MM-mini, and PHD2 Guiding
Exposure: 7 times x 1800 seconds, 7 x 900sec, 13 x 240 sec, 14 x 60 sec, 10 x 15 sec, and 14 x 4 seconds at ISO 6,400 and f/3.2
site: 2,434m above sea level at lat. 24 39 52 south and long. 70 16 11 west near Cerro Armazones in Sierra Vicuña Mackenna in Coast Range of Chile
Ambient temperature was 11 degrees Celsius or 52 degrees Fahrenheit. Wind was mild, and guide error RMS was 0.71". Sky was dark, and SQML was 21.48 at the night.