Permafrost
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On 19/07/2017 at 20:53, jetstream said:
Really good... I need more time though- there is a nice little 5 galaxy cluster in UMA where one of them is a nice test of things, they are NGC 3998,NGC 3990,NGC3972,NGC 3982 and the tricky NGC 3977.
I'll try the 21E vs the Lunt on this set but the trees are in the way atm lol!
Hey what happened between the comparison
H Beta filter choice
in Discussions - Eyepieces
Posted
Orion H-Beta, bang for the buck possibly.