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iPhone Lunar Ridges and Rilles

Posted: 2 May 2017

Open: Monday, 1 May 2017, 1814 MST
Temperature: 91°F
Session: 1106
Conditions: Clear, breezy

Equipment Used:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
2" 30mm eyepiece
2" 9mm 100° eyepiece

iPhone 6s Plus

1825 MST: LX600 ON, StarLock OFF, High Precision OFF.

1826 MST: Wi-Fi ON. Did some ScopeBoss iOS app testing for the developer. 1844 MST: Wi-Fi OFF. Reported the results to the developer.

1909 MST: sunset. Calm now.

Viewed the Moon, 102X and 81X.

Mounted the iPhone on the 2" 30mm eyepiece using the Levenhuk Smartphone Adapter. Using the iOS app NightCap Camera (formerly NightCap Pro) took this afocal 81X image, ISO 50, 1/800sec:


Removed the iPhone and switched to the 2" 9mm 100° eyepiece (271X). Did some lunar observing. There were lots of excellent sights this night, especially some lunar ridges and rilles. I decided to image some.

Mounted the iPhone on the 2" 9mm eyepiece for these afocal 271X images, NightCap Camera, ISO 50, 1/80sec, and ISO 125, 1/50sec, respectively:



The craters of Theophilus, Cyrillus, and Catharina made a nice view and object to photograph. This afocal 271X image, NightCap Camera, ISO 50, 1/50sec, shows the craters:


1931 MST: ended lunar imaging. Did some more lunar observing, 271X.

1939 MST: observed a lunar occultation of a bright star, 271X.

1945 MST: slewed to Jupiter and viewed it, 102X. The four Galilean Moons were visible as was the Great Red Spot.

After the previous long night and due to the bright moonlit sky, I decided to end this session. 1948 MST: LX600 OFF.

Close: Monday, 1 May 2017, 2000 MST
Temperature: 71°F
Session Length: 1h 46m
Conditions: Clear

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