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Smoky Sky, Green Flash, Globular Clusters observing

Posted: 15 June 2022

Tuesday afternoon, 14 June 2022, I was in the observatory for about an hour. When I left the observatory at 1600 MST, smoke from the Contreras Fire wildfire south of Kitt Peak National Observatory (65 miles to the southwest of Cassiopeia Observatory) was visible overhead with strong winds blowing.

photo

Open: Tuesday, 14 June 2022, 1900 MST
Temperature: 87°F
Session: 1779
Conditions: Clear, breezy

Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece

Camera:
iPhone 13 Pro Max
D850 DSLR

1907 MST: Dome Cover OFF.

1911-1923 MST: Relaxed on the observatory patio bench.

1924 MST: I went to higher ground to photograph the setting Sun.

Smoke from the Contreras Fire was visible along the southwestern and western sky, as seen in this iPhone 13 Pro Max photo (1X lens, cropped).

photo

Setting Sun taken with D850 DSLR (f/11, 1/1600sec, ISO 400, FL 300mm).

photo

The "Green Flash" (f/16, 1/1000sec, ISO 400, FL 300mm, cropped).

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1936 MST: Sunset. Calmer now.

1943-2020 MST: Relaxed on the bench to watch the stars come out.

2022 MST: LX600 ON, StarLock OFF.

Viewed Omega Centauri (globular cluster), 102X. It was faintly visible in the twilight sky.

2030 MST: Omega Centauri was now a nice view, 102X.

2032 MST: The southeastern sky was brightening from the rising, just past full, Moon.

Observed the following Messier Catalog globular clusters, 102X: M4, M10, M12, M13 (Great Globular Cluster in Hercules), M19, M62, M80, and M107.

2052 MST: LX600 OFF.

Close: Tuesday, 14 June 2022, 2100 MST
Temperature: 77°F
Session Length: 2h 00m
Conditions: Clear


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