香港天文論壇

2024 April 16 - Sun halo

Time : around 12 noon
Location : near Korn Hill Plaza
from my mobile phone

reminder

Images of possible AR1363a

Images of AR13633

Images of AR13632

Images of AR13629

2024 April 08 Sun - Solar surface in white-light, with AR13624, AR13627, AR13628, AR13629, AR13630, AR13631, AR13632, AR13633 and possible AR1363a. . Observation through clouds, before the Sun is to be eclipsed by the Moon. . AR13624 shows up at (N15W70). No sunspot is observed, leaving just some fa...

Images of AR13633 and possible AR1363a

Images of AR13629 and AR13632

2024 April 08 Sun - Solar surface in Ca-K, with AR13624, AR13627, AR13628, AR13629, AR13630, AR13631, AR13632, AR13633 and possible AR1363a. . Observation through clouds, before the Sun is to be eclipsed by the Moon. . AR13624 shows up at (N15W70). No sunspot is observed, leaving just some plages. A...

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2024 April 08 - Solar eclipse in Waco, Texas.

Here are some images of the totality phase.
Telescope: Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25,
Camera : ASI2600 MM Pro, cooled to -5C
Filters: Baader Solar Film 3.8

Images of possible AR1363a

Images of AR13632 and AR13633

Images of AR13629 and AR13631