Mars 2020-12-23 (UT) Mars after a long time, Seeing is a little good, the longitude after the dust storm. You can barely see the SPC. There is white cloud or fog on the north side. The area around the north is the Arctic clouds. The apparent diameter is as small as 11.4 arcseconds.
Rosette Nebula’s Harbic Harlow object “Rosette HH1” The other day, I was able to take a picture again from Mr. Mizutani’s information and clearly confirm its existence. In the literature, the Harbic Harlow object is an atomic star. It seems that the jet extending into outer space is hidden behind molecular clouds and cannot be seen with visible light. Although it looks faint even in a color image, it is clear in monochrome of ASI290MM (30 seconds x 30 frames, struggling to stack).
2020-12-21 Jupiter and Saturn are conjunction, around 0.1 °. Jupiter and Saturn could be separated even with the naked eye.
Pleiades Star Cluster (M45) 2020-12-20 45 cm F / 4 Newtonian 1 m x 31 frames Sony α7s (HKC) IR / UV cut filter The nebula near Merope is the brightest and has a slightly yellow .
2020-12-20 Jupiter and Saturn are approaching, and it is about 0.2 °
2020-12-19 Assistance for astronomical observation event (Oarai Sun Beach tsunami evacuation facility). It was the first observation party among the new coronavirus infections In the evening, I observed the approach of Jupiter and Saturn, the Moon, the Andromeda Galaxy, and the Orion Nebula at a sandy beach facility in the Pacific Ocean. Most of the people saw it with a telescope for the first time, and I was deeply moved. The Orion constellation rising from the horizon was particularly beautiful.
2020-12-16～12-18 3 days close-up image of Jupiter and Saturn 45 cm Newtonian reflector On 12-18, we observed two planets 100 x.
2020-12-17 Jupiter and Saturn are approaching each other, its about 0.5 °. There is a crescent moon in the lower left, and it is a beautiful sight with binoculars!
M31 (Andromeda Galaxy) 2020-12-15 45 cm Newtonian F / 4 30s x 75 frames ISO / 6400 HDR processed. The center is saturated, but its can clearly see the fine structure around it.
2020-12-16 While Jupiter and Saturn are approaching, its about 0.6 °.
