Great Carina Nebula and Surroundings January 2025 HII and OIII Enhanced Dark Version
This is the final version.
Equipment: Sigma 105mmF1.4 "Art", IDAS NB12 Dual Narrowband Filter or Clear 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 with NB12 Dual Narrowband Filter
Exposure: 8 times x 900 seconds, 4 x 240 sec, 4 x 60 sec, and 5 x 15 seconds at ISO 1,600 and f/3.2 with Clear Filter
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 January 2025 HII and OIII Enhanced Dark Version
This is the final version.
Equipment: Sigma 105mmF1.4 "Art", IDAS NB12 Dual Narrowband Filter or Clear 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 with NB12 Dual Narrowband Filter
Exposure: 8 times x 900 seconds, 4 x 240 sec, 4 x 60 sec, and 5 x 15 seconds at ISO 1,600 and f/3.2 with Clear Filter
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.