Equipment: Stellarvue 90mm f/7 SVR90T-25SV apo triplet refractor, SFF3-25-48 large photographic field flattener, Nikon D800, iOptron AZ Mount Pro with Tri-Pier. Camera setting: ISO 400, bracketed set of 9 photos spaced by 1EV (1/4000 s, 1/2000 s, 1/1000 s, 1/500 s, 1/250 s, 1/125 s, 1/60 s, 1/30 s, 1/15 s). Post-Processing: Photomatix Pro and Photoshop.
Tags: sun solar eclipse astrophotography astronomy national park
Equipment: Baader ASTF AstroSolar filter OD 5.0, Stellarvue 90mm f/7 SVR90T-25SV apo triplet refractor, SFF3-25-48 large photographic field flattener, Nikon D800, iOptron AZ Mount Pro with Tri-Pier. Camera setting: ISO 400, 1/4000 s.
Tags: sun solar eclipse astrophotography astronomy national park
Equipment: Baader ASTF AstroSolar filter OD 5.0, Stellarvue 90mm f/7 SVR90T-25SV apo triplet refractor, SFF3-25-48 large photographic field flattener, Nikon D800, iOptron AZ Mount Pro with Tri-Pier. Camera setting: ISO 400, 1/4000 s.
Tags: sun solar eclipse astrophotography astronomy national park
Equipment: Baader ASTF AstroSolar filter OD 5.0, Stellarvue 90mm f/7 SVR90T-25SV apo triplet refractor, SFF3-25-48 large photographic field flattener, Nikon D800, iOptron AZ Mount Pro with Tri-Pier. Camera setting: ISO 400, 1/4000 s.
Tags: sun solar astrophotography eclipse astronomy national park
Equipment: Stellarvue 90mm f/7 SVR90T-25SV apo triplet refractor, SFF3-25-48 large photographic field flattener, Nikon D800, iOptron AZ Mount Pro with Tri-Pier. Camera setting: ISO 400, 1/500 s.
Tags: sun solar eclipse astrophotography astronomy national park