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More Herschel 400 open star clusters

Posted: 27 January 2023

Open: Thursday, 26 January 2023, 1826 MST
Temperature: 50°F
Session: 1824
Conditions: Clear, breezy

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


1836 MST: Dome OFF (onto PZT photo ).

1837 MST: LX600 ON, StarLock OFF, High Precision OFF.

Viewed Venus, Saturn, Jupiter, and Mars, 102X.

Viewed the Moon, 102X.

1844 MST: High Precision ON.

Viewed Herschel 400 open star clusters, 102X: NGC1342, NGC1647, and NGC1907.

Mounted the D850 DSLR at prime focus. Took these photos of the Moon (1/320sec and 2 seconds, ISO 400).


Focused on the star Rigel and locked the 12" primary mirror. Slewed to NGC1342 to begin imaging the three open clusters, StarLock autoguided, 1 minute, ISO 1600.

1908 MST: StarLock ON.




1924 MST: StarLock OFF, High Precision OFF.

Viewed M42 (Orion Nebula), 102X.

Due to having caught a slight cold during the previous cold session, I decided to end this session.

1931 MST: LX600 OFF.

1934 MST: Dome ON.

1937 MST: Viewed Comet C/2022 E3 (ZTF) low in the northern sky, 12x50 binoculars. Faint dust tail visible in the binoculars. The comet was faintly visible to the naked eye from my dark sky location. Unfortunately, the bright Moon interferred with visibility.

Close: Thursday, 26 January 2023, 1945 MST
Temperature: 37°F
Session Length: 1h 19m
Conditions: Clear, breezy

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