- 2021-04-14
Red LED ballpoint pen
I god a red LED ballpoint pen from an acquaintance. A little light is useful for astronomical observation at night!
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- 2021-04-02
Observatory restoration
In mid-March, the laptop computer in the observation hut suddenly refused to operate, and the astronomical software that was included due to the initialization did not work, which was a problem! Somehow, the automatic introduction and auto guider software have finally returned. Since it is a telescope system that is a collection of my own works, it will be difficult if something goes wrong. The problem for the 45 cm reflection is only to deal with ashes, and it is difficult to use a sandwich mirror. I think the perfect set is unreasonable.
- 2021-03-03
Good seeing condition of Cebu Island
It is a resolution that shows good seeing condition of Cebu Island! This Jupiter image was taken when I returned to Japan and happened to go on a short business trip. It was a short time, but it looked great visually .
- 2021-03-01
Canes Venatici Galaxy-2
Canes Venatici Galaxy-2 2021-02-22 There was a faint diffused nebula pattern spreading like a fan to the south of NGC5353 in this galaxy image. It doesn’t seem to be a ghost because it was also in other images. It may be a big one, including the neighboring NGC5354. If you have any information, please give me a professor.
- 2021-02-22
Whirlpool Galaxy (M51, NGC 5194)
M51 2021-02-20 Whirlpool Galaxy (M51, NGC 5194) is a spiral galaxy in Canes Venatici. Distance 2300 ± 4 million light-years. Luminous 8.4 mag Visibility diameter 11.0′ There is a tree on the north side and the visibility is poor, so I waited until it became high before taking the picture. I am very interested in the difference between the fine spiral structure and the accompanying nebula. There are two small spindle-shaped galaxies to the north of the nebula. 45 cm newtonian
- 2021-02-06
NGC4631 Supernova
NGC4631 2021-02-04 m / 9.8, Distance / 30 million light-years A barred spiral galaxy facing right。 It looks like a whale or a herring, but to me it looks like a herring. Seeing condition was bad and the star image became large. You can see a small nebula in the distance on the lower right side! (Addition) Supernova AT2021biy in NGC4631 It is T2021biy discovered on January 29th. I noticed and edited the image again I’ve changed. The brightness is 16th magnitude.
- 2021-02-03
Asteroid (72) Feronia 12th magnitude star
Asteroid (72) Feronia 12th magnitude star occultation with 11th magnitude star was observed. 2021-02-03 02:42:47 From the seconds range to the 53 seconds range (JST, time signal of the telephone), the luminous intensity dropped a little and it looked wonderful. The east-side telescope moved to the west sky, and the bottom of the telescope was about to hit the floor, so it was chilled. The phenomenon that an asteroid far away from the earth hides in a star farther away is quite thrilling and interesting!
- 2021-01-31
I could not observe the stellar eclipse (m-10.9) by the asteroid 3623 (Chaplin, m-16.9).
2021-01-30 00: 56-58 (JST) . I could not observe the stellar eclipse (m-10.9) by the asteroid 3623 (Chaplin, m-16.9). It was an observation from the flying clouds and the grove of trees. However, 3623 seems to have passed the south side of the star.