The posited short-living monochromatic red parhelion resulting from the momentary illumination of ice crystals by the solar chromosphere is still waiting to be observed. ![]() A similar transition in the final seconds before, and after, totality is expected to occur for parhelia. Separately, we document a visual observation from the 1977 total solar eclipse of a rainbow that faded, in the last a few seconds before totality, from being normally multicolored to monochromatic red from water drops then predominantly illuminated by light from the solar chromosphere. Although the subsun-creating conditions apparently persisted during totality, the drop in signal intensity compared to the local background prevented its detection. The image sequence was searched for the possible presence of a solar corona-generated subsun during totality. The time-resolved images were obtained from a high-altitude jet aircraft. Note: Author names will be searched in the keywords field, also, but that may find papers where the person is mentioned, rather than papers they authored.Ī photographic observation sequence was obtained of a subsun before, during, and after the total phase of the 2016 solar eclipse.Use a comma to separate multiple people: J Smith, RL Jones, Macarthur.Use these formats for best results: Smith or J Smith.For best results, use the separate Authors field to search for author names.Use quotation marks " " around specific phrases where you want the entire phrase only.Question mark (?) - Example: "gr?y" retrieves documents containing "grey" or "gray".Asterisk ( * ) - Example: "elect*" retrieves documents containing "electron," "electronic," and "electricity".Improve efficiency in your search by using wildcards.Example: (photons AND downconversion) - pump.Example: (diode OR solid-state) AND laser.Ozone, Solar Eclipse and Spectrometers ResearchGate, the professional. Note the Boolean sign must be in upper-case. The DOAS fitting windows for ozone and NO 2 are indicated (black arrows). Automatically photograph an eclipse while still enjoying. ![]()
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