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ISS, Herschel 400 North American Nebula

Posted: 17 November 2022

The sky was cloudy Tuesday night, 15 November 2022. The sky was clear Wednesday, 16 November.

Open: Wednesday, 16 November 2022, 1814 MST
Temperature: 58°F
Session: 1802
Conditions: Clear, breezy

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

iPhone 13 Pro Max

1819 MST: LX600 ON, StarLock OFF, High Precision OFF.

1822 MST: Began watching for a pass of the International Space Station (ISS).

This handheld iPhone 13 Pro Max photo was taken with the Camera app (Night Mode, 3 seconds, 1X lens) and shows the ISS passing near M31 (Andromeda Galaxy) and the Double Cluster.

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I then viewed Saturn, 102X.

1830 MST: When I viewed Jupiter, 102X, I could see that the moon Europa was just beginning a transit of the Jovian disk. I watched it for awhile.

Next I mounted the D850 DSLR at prime focus + focal reducer + UHC filter, focused on the star Altair, and locked the 12" primary mirror.

1850 MST: High Precision ON.

Slewed to NGC7000 (North American Nebula) to image it for my Herschel 400 Catalog Astrophotography Album.

1854 MST: StarLock ON.

I did some framing test images to best center a portion of the large North American Nebula in the field-of-view. The top image image was taken in 2020 with a piggybacked DSLR and shows the entire nebula. The next photo shows what I imaged this night (5 minutes, ISO 6400).


1941 MST: StarLock OFF.

Viewed Jupiter, 102X.

1955 MST: LX600 OFF.

1959 MST: Took a Sky Quality reading.

Close: Wednesday, 16 November 2022, 2005 MST
Temperature: 47°F
Session Length: 1h 51m
Conditions: Clear, breezy, SQM 20.86

Two new iOS astrophotography app reviews have been posted on the Cassiopeia Observatory Reviews page: MilkyCam Raw Nocturne and WaveletCam: Image Processing.

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