Notes about Hα images
-
Instruments (refractors):
- from 26.10.1958 to 03.01.1981: FL 225 cm ( Halle H/alfa filter)
- from 05.01.1981 to 15.10.1984: FL 186 cm ( Zeiss H/alfa filter)
- Time:
-
CET from 26.10.1958 to 27.03.1981
- UT from 03.04.1981 to 15.10.1984
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