Hi all,
Yesterday was cler day with high clouds. Not the best conditions but still OK.
Equipment used: Full aperture front mounted ARIES doual band DERF, SW150/750mm refractor, H-a etalon, b/w camera
Thanks for looking.
Valery
April 5 2020 AR12759 with 150mm refr and full aperture DERF
- Valery
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April 5 2020 AR12759 with 150mm refr and full aperture DERF
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- AR12759-2020-0405-Full-size-ARIES-DERF-SW150mm-Quark.jpg (453.16 KiB) Viewed 5246 times
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- mini-AR.jpg (413.98 KiB) Viewed 5246 times
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.