The California Nebula (NGC 1499/Sh2-220) is an emission nebula located in the constellation Perseus. Its name comes from its resemblance to the outline of the US State of California in long exposure photographs.
Equipment used:
Mount: Dark Frame hypertuned EQ6
Telescope: TS65Q quadruplet Apo refractor
QHY294M Pro Cmos camera, cooled at – 10°C
QHYCCD QHYCCD CFW3M-US 36mm filterwheel
antlia 36mm 3nm Ha, Sii and Oiii filters
antlia 36mm RGB filters
Qhyccd QHY5L-IIM guide camera
Qhyccd Polemaster
Software used:
Eqmod, SGP – Sequence Generator Pro, PHD2, Stellarium, SharpCap for polar alignment
Date: 06.09 to 11.11.2023
Location: Hemel Hempstead, bortle 5
Acquisition details:
Frames:
Antlia 3nm Narrowband H-alpha 36 mm: 80×300″(6h 40′)
Antlia 3nm Narrowband H-alpha 36 mm: 20×600″(3h 20′)
Antlia 3nm Narrowband Oxygen III 36 mm: 60×300″(5h)
Antlia 3nm Narrowband Sulfur II 36 mm: 65×300″(5h 25′)
Antlia V-Pro Blue 36 mm: 10×60″(10′)
Antlia V-Pro Green 36 mm: 10×60″(10′)
Antlia V-Pro Red 36 mm: 10×60″(10′)
Total integration: 20h 55′
Stacked in AstroPixel Processor and processed in Pixinsight, with the help of Noise Xterminator, Blur Xterminator, Star Xterminator, and Photoshop CC 2024