Open: Monday, 10 April 2023, 1838 MST Temperature: 90°F

Session: 1850 Conditions: Clear

Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
12x50 binoculars

Camera:
iPhone 13 Pro Max
D850 DSLR

1844 MST: LX600 ON, StarLock OFF, High Precision OFF.

Viewed Venus, 102X.

1851 MST: Sunset.

1852-1945 MST: Relaxed on the observatory patio bench. The photo shows the D850 DSLR with 150-600mm lens.

1918 MST: Dome OFF.

1942 MST: iPhone 13 Pro Max photo taken with the Camera app (Night Mode, 3 seconds, 1X lens) showing the western sky with three planets and the Pleiades and Hyades.

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1942 MST: iPhone 13 Pro Max photo taken with the Camera app (Night Mode, 3 seconds, 3X lens) showing Venus, the Pleiades, and Mercury.

Viewed Venus and the Pleiades (M45), 12x50 binoculars. Both were in the same field-of-view.

Photo of Venus and the Pleiades (M45) taken with the D850 DSLR (f/8, 1 second, ISO 1600, FL 460mm).

I then mounted the D850 DSLR at prime focus of the 12" telescope, focused on the star Procyon, locked the focus, and slewed to NGC2371, the first Herschel 400 imaging target for the night.

2009 MST: High Precision ON.

2011 MST: StarLock ON.

Imaged the following Herschel 400 objects, StarLock autoguided, at various exposures (1, 2, 3 minutes, and ISO 3200 or ISO 5000, depending the object).

NGC2371 and NGC2372 (planetary nebula)


NGC2392 (Eskimo Nebula, planetary nebula)


NGC2438 (planetary nebula)


NGC2440 (planetary nebula, right of center)

2052 MST: Dome ON.

NGC2403 (galaxy)

2104 MST: StarLock OFF.

Observed the following Herschel 400 open star clusters, 102X: NGC2479, NGC2482, NGC2489, NGC2506, NGC2509, NGC2527, NGC2539, NGC2548 (M48), NGC2567, NGC2571, and NGC2627. I have now observed 162 Herschel 400 objects and imaged 151 of them.

2129 MST: LX600 OFF.

2136 MST: Took a Sky Quality reading.

Close: Monday, 10 April 2023, 2138 MST Temperature: 71°F

Session Length: 3h 00m Conditions: Clear, breezy, SQM 21.05

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