Profile: astronomerj
Discussions
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Helixes, cylindrical projections, rings, and all things circular!
Posted in Rings
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Posted in General Chat
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Zurich Sunspot Group Classification vs McIntosh Sunspot Group Classification
Posted in General Chat
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McIntosh Sunspot Group Classification
Posted in General Chat
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Posted in The Objects
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Posted in The Objects
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Posted in The Objects
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Posted in The Objects
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Posted in The Objects
Looks weird and I can barely see anything haha
One big black spot (umbra) in the middle #nice
This picture is not clear and it is hard for me to classify this sunspot
Interesting picture with no umbra. Looks like a seed to me #seed
What is this white bright circle in the middle haha #bright