Use below bash script to download the 7935MB of stills data, logs and scripts:
$ cat getit
#!/bin/bash
mkdir 49°27N_08°59E.March_3-4
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/1st
mkdir ebb2
cd ebb2
for((i=1009; i<=1371; ++i))
do
  wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/$i.jpg
done
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/3rd
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/log6.csv
mkdir proc2
cd proc2
for((i=1009; i<=1371; ++i))
do
  wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/proc2/$i.jpg
done
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/proc2/4th
cd ../..
mkdir ebb2a
cd ebb2a
for((i=1000; i<=3058; ++i))
do
  wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2a/$i.jpg
done
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2a/3rd
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2a/log6.csv
mkdir proc2
cd proc2
for((i=1000; i<=3058; ++i))
do
  wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2/proc2/$i.jpg
done
wget https://stamm-wilbrandt.de/en/forum/nightsky/49%C2%B027N_08%C2%B059E.March_3-4/ebb2a/proc2/4th
cd ../..
$