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iPhone 13 Pro Max Ring Nebula

Posted: 28 November 2021

Open: Saturday, 27 November 2021, 1703 MST
Temperature: 77°F
Session: 1699
Conditions: Clear

12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
1.25" 15mm eyepiece

iPhone 13 Pro Max

1707 MST: LX600 ON, StarLock OFF, High Precision OFF.

Viewed Venus, 102X.

1712 MST: Relaxed on the observatory patio bench while waiting for the sky to get darker.

1718 MST: Sunset.

1738 MST: Viewed Venus, 102X and 163X.

1750 MST: Viewed Venus, Saturn, and then Jupiter, 163X.

1757 MST: Viewed M57 (the Ring Nebula), 163X. It was faintly visible against the still bright sky.

1801 MST: While relaxing some more on the bench, I took this handheld iPhone 13 Pro Max photo using the Camera app (in Night Mode, 3 seconds, 1X lens). The constellation of Cassiopeia in the twilight sky is above Cassiopeia Observatory.


1830 MST: Back inside the observatory.

Viewed M57 (Ring Nebula), 163X.

Began preparing for imaging tests using a new iPhone adapter. Using the adapter, I took this StarLock autoguided afocal 163X image of M57 (Ring Nebula) with NightCap Camera (Long Exposure, Light Boost, ISO 32000, 1sec, 1 minute exposure, 1X lens).


1908 MST: Viewed Jupiter, 102X.

1917 MST: LX600 OFF.

1925 MST: Took a sky quality reading and reported the result to Globe at Night.

Close: Saturday, 27 November 2021, 1930 MST
Temperature: 53°F
Session Length: 2h 27m
Conditions: Clear, SQM 20.90

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