Observation by Gerard Cauchi: Sunspot Grouping AR2940
2022 Feb 06 - 08:04
2022 Feb 09 - 01:32
- Orion ED80T CF refractor
- Lunt B600 Ca II K Filter
Mt Barker, South Australia
Sunspot Grouping AR2940 in Ca II K
Sunspot Grouping AR2940
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