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iPhone 13 Pro Max Venus, Comet C/2021 A1 (Leonard)

Posted: 2 January 2022

Rain continued during the morning hours of Saturday, 1 January 2022. Got a total of 0.91". It was also very windy (caused a local power outage). The sky began clearing mid-afternoon with some calming of the wind.

Open: Saturday, 1 January 2022, 1658 MST
Temperature: 45°F
Session: 1707
Conditions: Clear

12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
1.25" 15mm eyepiece
2" 30mm eyepiece

iPhone 13 Pro Max

1712 MST: Dome Cover OFF.

1717 MST: LX600 ON, StarLock OFF, High Precision OFF.

Viewed the nice thin crescent Venus, 102X and 81X.

Mounted the iPhone 13 Pro Max on the 15mm eyepiece using the Levenhuk adapter.

Took an iPhone 13 Pro Max afocal 163X slo-mo (240fps) video recording of Venus using the Camera app. This is a stack of 2962 video frames.


1735 MST: Viewed Venus, then Jupiter, 163X.

1747 MST: Viewed Saturn, then Mercury, 163X.

1753 MST: Wi-Fi ON.

Used SkySafari 7 Pro on the iPhone to GOTO Comet C/2021 A1 (Leonard). It was not yet visible low in the bright southwestern twilight sky, 102X.

1803 MST: Comet Leonard was now faintly visible in the twilight sky, 102X. Nice view of the coma, 81X.

Added my LiDAR cover to the iPhone and then mounted the iPhone on the 30mm eyepiece using the Levenhuk adapter.

1820 MST: StarLock ON.

This is Comet C/2021 A1 (Leonard), afocal 81X, StarLock autoguided, taken with the iPhone 13 Pro Max using the iOS app NightCap Camera (Long Exposure, Light Boost, ISO 3200, 1sec, 1 minute, 1X lens). The comet's tail is faintly visible at 11 o'clock from the comet's head.


1827 MST: StarLock OFF, Wi-Fi OFF.

1832 MST: Viewed Comet Leonard, 102X. The short tail was visible.

1836 MST: LX600 OFF.

Close: Saturday, 1 January 2022, 1847 MST
Temperature: 35°F
Session Length: 1h 49m
Conditions: Clear

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