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Michael A. Stecker
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Sunspots - February 24, 2024
Large sunspot AR3590 in hydrogen-alpha light. Shot by James Foster at Frazier Park California with my $1,000 Askar 103 APO triplet refractor and narrow band Hydrogen-alpha Daystar Quark Chromosphere filter. Colorized and post-processed by Michael Stecker file: SunSPOT25Feb24_conv2A-AR3590a2a.jpg Photographic Data telescope: Askar 103 APO (4-inch f/6.8 triplet refractor)
mount:
Astro-Physics 1200 GTO . imaging camera: ZWO ASI174 MM monochrome astrocamera with Daystar Quark Chromosphere eyepiece (H-alpha light) . exposures: video
processing
Stacked by JRF. Colorized by MAS in Adobe Photoshop Elements . photographic site: Frazier Park California (Bortle 4 at 5,000 ft elevation) |
