Here is my collection of solar images for the year 2023


Sun in white spectrum light with a few sunspots. First image with new lens in the refractor.
17 April 2023 - 1440UT - ISO400 - 1/2000s - LUMIX G110 - NH-APO


Lots of fine sunspots visible.


21 January 2023 - 1322UT - ISO200 - 1/2500sec - LUMIX G110 - Nighthawk 80/480mm


Same view a few minutes later magnified with an ED Barlow lens.


21 January 2023 - 1337UT - ISO640 - 1/500sec - LUMIX G110 - 2x ED Barlow - Nighthawk 80/480mm

Equipment

Optics              : NH-APO StellarVue Nighthawk Modified Refractor d=80mm f=480mm APO FPL53 (f=1/6)
                    : Intes MK-67 Maksutov Type Reflector d=150mm f=1800mm (f=1/12)
Camera              : NIKON D7000 DSLR unmodified (from 2011)
                    : Panasonic LUMIX G110 MFT System (from 2021)
                    : The Imaging Source DMK21AU4.AS monochrome USB highspeed camera
Filter              : IR/UV Cut, Astronomik H-Alpha, Astronomik LRGB
add. optics         : ED 2x Barlow lens, eyepiece projection
                    : 35mm, 50mm, 135mm and 200mm NIKON lenses available
                    : 2.8/60mm Sigma, 12 .. 60mm Leica for MFT system
Mount               : VIXEN GP with MT1(RA) & MT1(DEC)
Controller          : Littlefoot Controller (selfmade but defective) -> SD1 Controller
Guiding             : PHD
Aquisition          : DELL Notebook (Windows 10)
Image Processing    : ImagesPlus, NeatImage 7, Registax 6, DeepSkyStacker, Gimp

latest list update  : April 2023