ARISS SSTV Award - ISS
Also if you like that you might want to decode weather satellite images which is a very similar method apart from you need a slightly more complicated decoder which again is free and is called WXtoImg
Above is a recent image from NOAA 18 below is a video showing how I successfully decoded the weather image.
Keep yourself amused this Christmas as we all stay safe, have a go at decoding its lots of fun... Merry Christmas, 73, see you soon! Be healthy!